Acquisition method (AMC)
1
FSC 5310 × WASHER,SPRING TENSION
WASHER,SPRING TENSION
5310-00-283-0991 FSC 5310
NSN 5310-00-283-0991 (also written 5310002830991; NIIN 00-283-0991) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE4A6-27-T-8387 | 20 | Closes in 5d | Bid → |
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 |
|---|---|
| STYLE DESIGNATOR STYL | — |
| HEAT TREATMENT HEAT | QUENCHED AND TEMPERED |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL FED SPEC 1ST MATERIAL RESPONSE QQ-S-700 OR MIL SPEC 1ST MATERIAL RESPONSE -IL-S-46049 OR ASSN STD 1ST MATERIAL RESPONSE AST- A682 OR ASSN STD 2ND MATERIAL RESPONSE SAE QQ-S-700 |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 7.810 AND INCHES MAXIMUM 7.830 |
| MATERIAL MATT | OVERALL STEEL COMP 1065 OR STEEL COMP 1566 |
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.093 AND INCHES MAXIMUM 0.095 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.281 AND INCHES MAXIMUM 0.287 |
| FEATURES PROVIDED CBBL | CASE-HARDENED |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 42.0 AND ROCKWELL C MAXIMUM 47.0 |
| HOLE DIAMETER AAUB | INCHES MINIMUM 5.130 AND INCHES MAXIMUM 5.140 |
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 |
|---|---|---|
| 5310002830991 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES |
| 5310002830991 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
| 6766387 | 24617 | GENERAL MOTORS CORP |
| 6766387 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC |
| 7708752 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-8387 | Nov 5, 2026 | Nov 12, 2026 | 20 | Open | View at DIBBS → |
| SPE4A6-26-T-30WG | Sep 17, 2026 | Sep 29, 2026 | 65 | Cancelled | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,SPRING TENSION." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-283-0991/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-283-0991/