Acquisition method (AMC)
1
FSC 5310 × NUT,PLAIN,HEXAGON
NUT,PLAIN,HEXAGON
5310-00-550-3893 FSC 5310
NSN 5310-00-550-3893 (also written 5310005503893; NIIN 00-550-3893) is a nut, plain, hexagon in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 5 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 |
|---|---|
| BEARING SURFACE TYPE CRTM | WASHER FACED |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.155 AND INCHES MAXIMUM 0.165 |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| THREAD SERIES BZRR | UNIFIED NATIONAL COARSE (UNC) |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.305 AND INCHES MAXIMUM 0.315 |
| THREAD QUANTITY PER INCH CMLP | 32 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.164 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
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 |
|---|---|---|
| 188090 | 00088 | ROYAL OAK GAGE, INC |
| 188090 | 05301 | ENGELHARD CORP SPECIALTY DIV |
| 188090 | 61062 | COMET MFG CO INC |
| 188090 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 308252 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 318078 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| SRS188090 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA |
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 17, 2026
Last purchased
1 · 1.0/yr
Purchase records
$574.66
Total demand
$574.66
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 17, 2026 | SPE4AX25D5000/SPE4A226F7454 ↗ | LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS | — | $574.66 |
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
LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS
last award Sep 2026
COMET MFG CO INC
no award yet
no awards on record
Listed source DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
no award yet
no awards on record
Listed source ENGELHARD CORP SPECIALTY DIV
no award yet
no awards on record
Listed source ROYAL OAK GAGE, INC
no award yet
no awards on record
Listed source RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS won the only award on record. LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS 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. "NUT,PLAIN,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-550-3893/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-550-3893/