Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,HEXAGON
NUT,SELF-LOCKING,HEXAGON
5310-00-905-3081 FSC 5310
NSN 5310-00-905-3081 (also written 5310009053081; NIIN 00-905-3081) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 8 manufacturer part numbers from 6 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)
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 | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES MAXIMUM 0.188 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.367 AND INCHES MAXIMUM 0.376 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 250.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 32 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.190 |
| COUNTERSINK ANGLE CRSQ | NUT DEGREES NOMINAL 88.0 |
| BEARING SURFACE TYPE CRTM | CHAMFERED OR WASHER FACED |
| BEARING SURFACE FINISH CSXL | MICROINCHES 125.0 |
| MATERIAL MATT | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MATERIAL MATT | NUT ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 |
| SURFACE TREATMENT SFTT | NUT ANODIZE OR CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | NUT MIL SPEC 1ST TREATMENT RESPONSE -IL-A-8625 OR MIL SPEC 2ND TREATMENT RESPONSE -IL-C-5541 |
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 |
|---|---|---|
| 5611-1100 | 0KDP7 | KIDDE-FENWAL, LLC |
| 8168007 | 18876 | US ARMY AVIATION AND MISSILE COMMAND |
| AN364D1032A | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| MS20364D1032A | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS21083D3 | 27687 | GREER STOP NUT, INC. |
| MS21083D3 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MS21083D3 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| NASM25027 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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
$0.99
Purchases
2
Total spend
$12,989
Oct 19, 2026
Last purchased
5 · 5.0/yr
Purchase records
$30,549
Total demand
$0.99
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | 1,647 | $0.99 | $1,631 | POLYTECH DEFENSE SPARES LLC (4K539) | Unknown | Source ↗ |
| Oct 7, 2026 | 2,784 | $4.08 | $11,359 | Unknown (0WZP3) | Unknown | Source ↗ |
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 |
|---|---|---|---|---|
| Aug 17, 2026 | SPE4A626PAZF0 ↗ | — | — | $4,570 |
| Oct 7, 2026 | SPE4A627P1450 ↗ | — | — | $11,359 |
| Oct 19, 2026 | SPE4A627P2499 ↗ | POLYTECH DEFENSE SPARES LLC | — | $1,631 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 37 days from posting to award. Most of that came after quotes closed.
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
POLYTECH DEFENSE SPARES LLC
last award Oct 2026
CAGE 0WZP3
last award Oct 2026
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
no award yet
no awards on record
Listed source GREER STOP NUT, INC.
no award yet
no awards on record
Listed source KIDDE-FENWAL, LLC
no award yet
no awards on record
Listed source MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
no award yet
no awards on record
Listed source US ARMY AVIATION AND MISSILE COMMAND
no award yet
no awards on record
Listed source POLYTECH DEFENSE SPARES LLC won 1 of the last 2 awards. POLYTECH DEFENSE SPARES LLC and 1 other won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-30QN | Sep 16, 2026 | Sep 23, 2026 | 1,647 | Expired | View at DIBBS → |
| SPE4A6-26-T-24DY | Aug 28, 2026 | Sep 4, 2026 | 2,784 | Expired | 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: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-905-3081/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-905-3081/