Acquisition method (AMC)
1
FSC 5310 × WASHER,SPRING TENSION
WASHER,SPRING TENSION
5310-00-639-4637 FSC 5310
NSN 5310-00-639-4637 (also written 5310006394637; NIIN 00-639-4637) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Nov 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 |
|---|---|
| STYLE DESIGNATOR STYL | — |
| OVERALL HEIGHT ABKW | INCHES NOMINAL 0.047 |
| MATERIAL THICKNESS ABPX | INCHES NOMINAL 0.025 |
| HOLE DIAMETER AAUB | INCHES NOMINAL 1.280 |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 1.550 |
| MATERIAL MATT | OVERALL STEEL COMP 1095 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5121 |
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 |
|---|---|---|
| 511622 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE |
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
$39.20
Purchases
1
Total spend
$2,470
Nov 3, 2026
Last purchased
2 · 2.0/yr
Purchase records
$4,939
Total demand
$39.20
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 3, 2026 | 63 | $39.20 | $2,470 | J. T. D. STAMPING CO INC (6R888) | Unknown | Source ↗ |
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 3, 2026 | SPE4A627V1778 ↗ | J. T. D. STAMPING CO INC | — | $2,470 |
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
J. T. D. STAMPING CO INC
last award Nov 2026
HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE
no award yet
no awards on record
Listed source J. T. D. STAMPING CO INC won the only award on record. J. T. D. STAMPING CO INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-5839 | Oct 23, 2026 | Oct 30, 2026 | 63 | 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 23, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,SPRING TENSION." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-639-4637/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-639-4637/