Acquisition method (AMC)
3
FSC 5310 × WASHER,SPRING TENSION
WASHER,SPRING TENSION
5310-01-332-0897 FSC 5310
NSN 5310-01-332-0897 (also written 5310013320897; NIIN 01-332-0897) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 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 | |
|---|---|---|---|
| SPE7M2-27-T-0450 | 2,431 | Closes in 2d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC L: annual buy value is below the screening threshold. 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 0.252 AND INCHES MAXIMUM 0.272 |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 0.531 AND INCHES MAXIMUM 0.551 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.056 AND INCHES MAXIMUM 0.067 |
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.045 AND INCHES MAXIMUM 0.049 |
| MATERIAL MATT | OVERALL STEEL COMP 631 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 02-4230-07 | 31435 | LUCAS AEROSPACE POWER EQUIPMENT CORPORATION |
| SSP146412 | 02368 | ROLEX COMPANY DBA ROLEX COMPANY DIV ROLEX COMPANY |
| SSP146412 | 4XNY8 | MATTHEW WARREN, INC. DBA MARYLAND PRECISION SPRING DIV MARYLAND PRECISION SPRING |
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
$0.66
Purchases
1
Total spend
$1,604
Nov 4, 2026
Last purchased
2 · 2.0/yr
Purchase records
$3,209
Total demand
$0.66
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 |
|---|---|---|---|---|
| Nov 4, 2026 | SPE7M227V0463 ↗ | — | — | $1,604 |
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 8R639
last award Nov 2026
LUCAS AEROSPACE POWER EQUIPMENT CORPORATION
no award yet
no awards on record
Listed source MATTHEW WARREN, INC. DBA MARYLAND PRECISION SPRING DIV MARYLAND PRECISION SPRING
no award yet
no awards on record
Listed source ROLEX COMPANY DBA ROLEX COMPANY DIV ROLEX COMPANY
no award yet
no awards on record
Listed source CAGE 8R639 won the only award on record. CAGE 8R639 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M2-27-T-0450 | Oct 29, 2026 | Nov 9, 2026 | 2,431 | Open | 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 Nov 1, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,SPRING TENSION." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-332-0897/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-332-0897/