Acquisition method (AMC)
1
FSC 5305 × SCREW,CAP,SOCKET HEAD
SCREW,CAP,SOCKET HEAD
5305-01-270-3051 FSC 5305
NSN 5305-01-270-3051 (also written 5305012703051; NIIN 01-270-3051) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 10 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Sep 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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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.
Dimensioned drawing
Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.
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 |
|---|---|
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD LENGTH AASA | INCHES MINIMUM 1.096 AND INCHES MAXIMUM 1.250 |
| FASTENER LENGTH AASB | INCHES NOMINAL 1.250 |
| HEAD STYLE AASK | — |
| HEAD DIAMETER AASL | INCHES MINIMUM 0.735 AND INCHES MAXIMUM 0.750 |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.500 |
| INTERNAL DRIVE STYLE ABQZ | — |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.500 |
| WIDTH ACROSS FLATS ASDB | INCHES NOMINAL 0.375 |
| THREAD QUANTITY PER INCH CMLP | 13 |
| SPECIAL FEATURES FEAT | SELF LOCKING |
| MATERIAL MATT | OVERALL NICKEL ALLOY 502 OR NICKEL ALLOY K-500 |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL COARSE (UNC) |
| NONDEFINITIVE SPEC/STD DATA ZZZT | TYPE 6 |
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 |
|---|---|---|
| 203-4678501 ITEM 17 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 211040230 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 518-4682916 ITEM 30 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 556-6408040-39 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 596-7410251-80 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 60-15-4281 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| M1222SN8C320NCLN | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-DTL-1222 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MILS1222TYII1/2 -13UNC-3AX1-1/4 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN 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
—
Sep 25, 2026
Last purchased
1 · 1.0/yr
Purchase records
$7,955
Total demand
$7,955
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 |
|---|---|---|---|---|
| Sep 25, 2026 | SPE4A726D5555/SPE4A726F099L ↗ | ALAMO AIRCRAFT, LTD. | — | $7,955 |
Demand history
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
ALAMO AIRCRAFT, LTD.
last award Sep 2026
ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
no award yet
no awards on record
Listed source FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
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 NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source NAVAL SHIP SYSTEMS COMMAND
no award yet
no awards on record
Listed source ZF INDUSTRIEANTRIEBE WITTEN GMBH
no award yet
no awards on record
Listed source ALAMO AIRCRAFT, LTD. won the only award on record. ALAMO AIRCRAFT, LTD. won without being a listed source.
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: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SCREW,CAP,SOCKET HEAD." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-01-270-3051/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5305-01-270-3051/