Acquisition method (AMC)
3
FSC 5310 × WASHER,SPRING TENSION
WASHER,SPRING TENSION
5310-00-558-3307 FSC 5310
NSN 5310-00-558-3307 (also written 5310005583307; NIIN 00-558-3307) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
|---|---|
| MATERIAL THICKNESS ABPX | INCHES MINIMUM 0.015 AND INCHES MAXIMUM 0.035 |
| MATERIAL MATT | OVERALL STEEL COMP 1095 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.110 AND INCHES MAXIMUM 0.130 |
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.672 AND INCHES MAXIMUM 0.682 |
| OUTSIDE DIAMETER ABKV | INCHES MINIMUM 0.900 AND INCHES MAXIMUM 0.920 |
| HARDNESS RATING CQFM | ROCKWELL SUPERFICIAL 15-N MINIMUM 81.0 AND ROCKWELL SUPERFICIAL 15-N MAXIMUM 84.0 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE SAE |
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 |
|---|---|---|
| 56524 | 70210 | HONEYWELL INTERNATIONAL INC. |
| 56524 | 72599 | ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO |
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 — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A5-26-T-433D | Sep 17, 2026 | Sep 24, 2026 | 3 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,SPRING TENSION." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-558-3307/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-558-3307/