Acquisition method (AMC)
1
FSC 5310 × WASHER,KEY
WASHER,KEY
5310-00-159-6281 FSC 5310
NSN 5310-00-159-6281 (also written 5310001596281; NIIN 00-159-6281) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 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.
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 |
|---|---|
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.515 AND INCHES MAXIMUM 0.520 |
| EXTERNAL TAPERED KEY WIDTH ABLD | INCHES MINIMUM 0.425 AND INCHES MAXIMUM 0.435 |
| EXTERNAL PREBENT KEY WIDTH ABLF | INCHES MINIMUM 0.200 AND INCHES MAXIMUM 0.205 |
| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY ABLS | INCHES MINIMUM 0.465 AND INCHES MAXIMUM 0.475 |
| OVERALL DISTANCE INCLUDING KEYS ABLX | INCHES MINIMUM 1.087 AND INCHES MAXIMUM 1.115 |
| SPLIT KEY LENGTH ABMM | INCHES MINIMUM 0.215 AND INCHES MAXIMUM 0.220 |
| EXTERNAL KEY QUANTITY ABMQ | 3 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5510 |
| STYLE DESIGNATOR STYL | — |
| MATERIAL MATT | OVERALL STEEL COMP 321 |
| SURFACE FINISH CSYM | BOTTOM MICROINCHES 32.0 |
| SURFACE FINISH CSYM | TOP MICROINCHES 16.0 |
| ANGLE BETWEEN EXTERNAL KEYS CSFW | DEGREES MINIMUM 58.0 AND DEGREES MAXIMUM 62.0 |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 0.745 AND INCHES MAXIMUM 0.755 |
| EXTERNAL PREBENT KEY LENGTH ABKY | INCHES MINIMUM 0.150 AND INCHES MAXIMUM 0.160 |
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.032 AND INCHES MAXIMUM 0.040 |
| EXTERNAL PREBENT KEY ANGLE CSKN | DEGREES NOMINAL 15.0 |
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 |
|---|---|---|
| MS9276-14 | 1E0F1 | ROLLS ROYCE CORP |
| MS9276-14 | 74703 | LOCKHEED MARTIN AERONAUTICAL SYSTEMS SUPPORT COMPANY DBA LMASSC |
| MS9276-14 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
$0.90
Purchases
1
Total spend
$743.40
Sep 9, 2026
Last purchased
2 · 2.0/yr
Purchase records
$1,487
Total demand
$0.90
Latest unit price
Purchase history
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 9, 2026 | SPE4A626P0L47 ↗ | — | — | $743.40 |
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
CAGE TM850
last award Sep 2026
LOCKHEED MARTIN AERONAUTICAL SYSTEMS SUPPORT COMPANY DBA LMASSC
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 ROLLS ROYCE CORP
no award yet
no awards on record
Listed source CAGE TM850 won the only award on record. CAGE TM850 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-19CA | Aug 19, 2026 | Aug 26, 2026 | 826 | 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: 2026-10-24.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,KEY." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-159-6281/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-159-6281/