Acquisition method (AMC)
1
FSC 5990 × SYNCHRO,CONTROL TRANSFORMER
SYNCHRO,CONTROL TRANSFORMER
5990-00-928-5593 FSC 5990
NSN 5990-00-928-5593 (also written 5990009285593; NIIN 00-928-5593) is a synchro, control transformer in Federal Supply Class 5990, Synchros and Resolvers. 23 manufacturer part numbers from 12 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
T
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC T: handled under qualified products list procedures. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| ZSO IMPEDANCE MAGNITUDE IN OHMS AJTJ | MINIMUM 12000.00 AND MAXIMUM 14800.00 |
| ZSO IMPEDANCE ANGLE IN DEG AJTK | MINIMUM 82.00 AND MAXIMUM 84.50 |
| SHAFT THREAD LENGTH CQWQ | SINGLE SHAFT INCHES NOMINAL 0.2000 |
| SHAFT TYPE CRSJ | SINGLE SHAFT SPLINE W/THREADS |
| ALIGNMENT HOLE DEPTH CRSY | INCHES MINIMUM 0.1250 |
| LENGTH ABRY | SHOULDER INCHES NOMINAL 0.1320 |
| SHAFT THREAD CLASS AKAN | 2A |
| TERMINAL LOCATION CQTM | REAR |
| SHAFT THREAD DIRECTION AKAF | SINGLE SHAFT RIGHT-HAND |
| SPLINE TOOTH DIAMETRAL PITCH AJXA | 120 |
| SHAFT THREAD SERIES DESIGNATOR AJYY | SINGLE SHAFT UNF |
| ALIGNMENT HOLE QUANTITY AJVW | 4 |
| PILOT LENGTH AJWQ | INCHES NOMINAL 0.0400 |
| MOUNTING SURFACE TO TERMINAL END DISTANCE AJWX | INCHES NOMINAL 2.5200 |
| ZRS IMPEDANCE MAGNITUDE IN OHMS AJTL | MINIMUM 980.00 AND MAXIMUM 1180.00 |
| ZRS IMPEDANCE ANGLE IN DEG AJTM | MINIMUM 42.00 AND MAXIMUM 52.00 |
| PHASE SHIFT ANGLE IN DEG AJVF | INPUT TO OUTPUT NOMINAL 2.000 |
| SHOULDER DIAMETER AAVH | INCHES MINIMUM 1.5615 AND INCHES MAXIMUM 1.5620 |
| PILOT DIAMETER AAVL | INCHES MINIMUM 0.9370 AND INCHES MAXIMUM 0.9375 |
| OVERALL LENGTH ABHP | INCHES NOMINAL 3.0600 |
| FLANGE DIAMETER ABKK | INCHES MINIMUM 1.7450 AND INCHES MAXIMUM 1.7500 |
| FLANGE THICKNESS ABKU | INCHES NOMINAL 0.0930 |
| STATOR INPUT CURRENT RATING AJSP | MILLIAMPERES MAXIMUM 7.0 |
| SPLINE TOOTH QUANTITY AJVM | 21 |
| TORQUE GRADIENT PER ANGULAR DEG AJVV | INCH-OUNCES MAXIMUM 0.100 |
| TRANSFORMATION RATIO CSJY | ROTOR TO STATOR NOMINAL 0.735 |
| ALIGNMENT HOLE BOLT CIRCLE DIAMETER CTCW | INCHES NOMINAL 1.2500 |
| SHAFT NOMINAL THREAD SIZE CWBH | SINGLE SHAFT INCHES 0.190 |
| MATERIAL MATT | BODY STEEL CORROSION RESISTING |
| TEST DATA DOCUMENT TEST | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 81349--IL-S-20708 |
| TERMINAL TYPE AND QUANTITY TTQY | SCREW 5 |
| MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT AJVG | OUTPUT 20.00 |
| MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT AJVH | 30.00 |
| ELECTRICAL ERROR ANGULAR RANGE IN MINUTES AJVL | -6.0 TO 6.0 |
| MAXIMUM TEMP RISE AHCG | CELSIUS 20.0 |
| BODY SIZE AJSL | 18 |
| STATOR INPUT VOLTAGE RATING IN VOLTS AJSN | NOMINAL 90.0 |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 81349--IL-S-20708 TO 29 |
| STATOR INPUT ELECTRICAL POWER RATING AJSQ | MILLIWATTS NOMINAL 50.0 |
| UNDERCUT DIAMETER ABPA | INCHES NOMINAL 1.6250 |
| UNDERCUT WIDTH ABPC | INCHES NOMINAL 0.0780 |
| BODY STYLE AAQL | — |
| SHAFT LENGTH ABXF | SINGLE SHAFT INCHES NOMINAL 0.5400 |
| FREQUENCY IN HERTZ AJSS | NOMINAL 400.0 |
| SHAFT DIAMETER ABWV | SINGLE SHAFT INCHES MINIMUM 0.1870 AND INCHES MAXIMUM 0.1872 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 18CT4 | 10112 | GENERAL DYNAMICS MOTION CONTROL LLC DIV GENERAL DYNAMICS OTS INC |
| 18CT4A | 98853 | HAMILTON STANDARD ELECTRONICS SYSTEMS INC TELE-DYNAMICS DIV |
| 18CT4B | 08160 | BOWEN & COMPANY, INC. DBA BOWEN & COMPANY, INC. |
| 18CT4B | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| 18CT4C | 10112 | GENERAL DYNAMICS MOTION CONTROL LLC DIV GENERAL DYNAMICS OTS INC |
| 18CT4C | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| 315-1268P2 | 99687 | RAYTHEON CO EQUIPMENT DEVELOPMENT LAB |
| 450904-9153 | D4856 | NORTHROP GRUMMAN LITEF GMBH |
| 5990PL1373991 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| AS20708/29 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| AS20708/29 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| LD266561 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
| M20708-29-001 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| M20708-29-01 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| M20708/29-01C | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| M20708/29-01C | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| M20708/29-01C | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| M2078/29D-001 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-S-20708/29 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| S315-1268P2 | 99687 | RAYTHEON CO EQUIPMENT DEVELOPMENT LAB |
| SAE-AS20708/29 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| V23401C0003A010 | C0425 | SIEMENS AG EC R LOG |
| W41281-A6000-A10 | C0426 | HENSOLDT SENSORS GMBH |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
—
Purchases
0
Total spend
—
Oct 9, 2026
Last purchased
1 · 1.0/yr
Purchase records
$196,251
Total demand
$196,251
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Oct 9, 2026 | SPE7M226P0836 ↗ | GENERAL DYNAMICS MOTION CONTROL LLC DIV GENERAL DYNAMICS OTS INC | — | $196,251 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
GENERAL DYNAMICS MOTION CONTROL LLC DIV GENERAL DYNAMICS OTS INC
last award Oct 2026
BOWEN & COMPANY, INC. DBA BOWEN & COMPANY, INC.
no award yet
no awards on record
Listed source HAMILTON STANDARD ELECTRONICS SYSTEMS INC TELE-DYNAMICS DIV
no award yet
no awards on record
Listed source HENSOLDT SENSORS GMBH
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
no award yet
no awards on record
Listed source NORTHROP GRUMMAN LITEF GMBH
no award yet
no awards on record
Listed source GENERAL DYNAMICS MOTION CONTROL LLC DIV GENERAL DYNAMICS OTS INC won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-26-U-5601 | Aug 31, 2026 | Sep 17, 2026 | 10 | Cancelled | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-10.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SYNCHRO,CONTROL TRANSFORMER." nsnexplorer.com, https://nsnexplorer.com/nsn/5990-00-928-5593/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5990-00-928-5593/