Acquisition method (AMC)
1
FSC 5310 × WASHER,KEY
WASHER,KEY
5310-00-104-5143 FSC 5310
NSN 5310-00-104-5143 (also written 5310001045143; NIIN 00-104-5143) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 6 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 |
|---|---|
| EXTERNAL TAPERED KEY WIDTH ABLD | INCHES MINIMUM 0.320 AND INCHES MAXIMUM 0.330 |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 0.560 AND INCHES MAXIMUM 0.570 |
| EXTERNAL PREBENT KEY LENGTH ABKY | INCHES MINIMUM 0.140 AND INCHES MAXIMUM 0.150 |
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.390 AND INCHES MAXIMUM 0.395 |
| SPECIAL FEATURES FEAT | BOTH ANGULAR KEYS BENT 15.0 DEG IN OPPOSITE DIRECTION OF PREBENT KEY |
| MATERIAL MATT | OVERALL STEEL COMP 321 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S5510 |
| STYLE DESIGNATOR STYL | — |
| ANGLE BETWEEN EXTERNAL KEYS CSFW | DEGREES MINIMUM 58.0 AND DEGREES MAXIMUM 62.0 |
| EXTERNAL PREBENT KEY ANGLE CSKN | DEGREES NOMINAL 15.0 |
| EXTERNAL PREBENT KEY WIDTH ABLF | INCHES MINIMUM 0.140 AND INCHES MAXIMUM 0.145 |
| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY ABLS | INCHES MAXIMUM 0.375 |
| OVERALL DISTANCE INCLUDING KEYS ABLX | INCHES NOMINAL 0.856 |
| SPLIT KEY LENGTH ABMM | INCHES MINIMUM 0.170 AND INCHES MAXIMUM 0.175 |
| EXTERNAL KEY QUANTITY ABMQ | 3 |
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.028 AND INCHES MAXIMUM 0.036 |
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 |
|---|---|---|
| 10479865 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 104T678 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 104T678 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| AS9276 P/N MS9276-12 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MS9276-12 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS9276-12 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
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 11, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,719
Total demand
$1,719
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 11, 2026 | SPE4A726D5631/SPE4A726F9353 ↗ | MIDWAY INDUSTRIAL SUPPLY INC. | — | $1,719 |
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
MIDWAY INDUSTRIAL SUPPLY INC.
last award Aug 2026
HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL
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 NIMIKKEISTOKESKUS NCB FINLAND
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 WESTINGHOUSE ELECTRIC CORP
no award yet
no awards on record
Listed source MIDWAY INDUSTRIAL SUPPLY INC. won the only award on record. MIDWAY INDUSTRIAL SUPPLY 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: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,KEY." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-104-5143/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-104-5143/