Acquisition method (AMC)
1
FSC 5310 × WASHER,KEY
WASHER,KEY
5310-00-710-9429 FSC 5310
NSN 5310-00-710-9429 (also written 5310007109429; NIIN 00-710-9429) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 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.
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 |
|---|---|
| MATERIAL THICKNESS ABPX | INCHES NOMINAL 0.050 |
| EXTERNAL PREBENT KEY ANGLE CSKN | DEGREES MINIMUM 24.5 AND DEGREES MAXIMUM 25.5 |
| INTERNAL KEY QUANTITY ABMR | 2 |
| OVERALL DISTANCE INCLUDING KEYS ABLX | INCHES NOMINAL 5.000 |
| EXTERNAL KEY QUANTITY ABMQ | 19 |
| EXTERNAL PREBENT KEY WIDTH ABLF | INCHES NOMINAL 0.200 |
| INTERNAL PREBENT KEY WIDTH ABLK | INCHES NOMINAL 0.180 |
| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY ABLS | INCHES MINIMUM 2.065 AND INCHES MAXIMUM 2.085 |
| HOLE DIAMETER AAUB | INCHES MINIMUM 4.255 AND INCHES MAXIMUM 4.265 |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 4.610 |
| INTERNAL PREBENT KEY LENGTH ABLB | INCHES NOMINAL 0.170 |
| MATERIAL MATT | OVERALL STEEL OR STEEL COMP 4130 |
| SURFACE TREATMENT SFTT | OVERALL OXIDE FILM |
| SPECIAL FEATURES FEAT | EXTERNAL KEYS BENT 25 DEG |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S6357 OR MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-18729 |
| STYLE DESIGNATOR STYL | — |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL MFR REF SINGLE TREATMENT RESPONSE BSFW4084,FSC- 97499 |
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 |
|---|---|---|
| 204-040-253-001 | 97499 | BELL TEXTRON INC |
| 204-040-253-1 | 17128 | PYRAMID MACHINE CORP DIV OF TRANSUPPORT INC |
| 204-040-253-1 | 80070 | LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN ROTARY AND MISSION SYSTEMS DIV RMS- MIC2 |
| 204-040-253-1 | 97499 | BELL TEXTRON INC |
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
—
Aug 19, 2026
Last purchased
4 · 4.0/yr
Purchase records
$2,160
Total demand
$540.00
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 |
|---|---|---|---|---|
| Aug 19, 2026 | SPE4AC26P0194 ↗ | FLIGHT SOURCE INC | — | $540.00 |
| Aug 19, 2026 | SPE4AC26P0194 ↗ | FLIGHT SOURCE INC | — | $540.00 |
| Aug 19, 2026 | SPE4AC26P0194 ↗ | FLIGHT SOURCE INC | — | $540.00 |
| Aug 19, 2026 | SPE4AC26P0194 ↗ | FLIGHT SOURCE INC | — | $540.00 |
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
FLIGHT SOURCE INC
last award Aug 2026
BELL TEXTRON INC
no award yet
no awards on record
Listed source LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN ROTARY AND MISSION SYSTEMS DIV RMS- MIC2
no award yet
no awards on record
Listed source PYRAMID MACHINE CORP DIV OF TRANSUPPORT INC
no award yet
no awards on record
Listed source FLIGHT SOURCE INC won 4 of the last 4 awards. FLIGHT SOURCE INC 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 Nov 4, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,KEY." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-710-9429/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-710-9429/