Acquisition method (AMC)
3
FSC 5310 × WASHER,FLAT
WASHER,FLAT
5310-01-097-8021 FSC 5310
NSN 5310-01-097-8021 (also written 5310010978021; NIIN 01-097-8021) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.1567 AND INCHES MAXIMUM 0.1602 |
| PERIPHERAL SHAPE STYLE ABMW | — |
| CENTER HOLE SHAPE STYLE ABMX | — |
| THICKNESS ABNM | INCHES MINIMUM 0.0095 AND INCHES MAXIMUM 0.0105 |
| OVERALL DIAMETER ADAV | INCHES MINIMUM 0.210 AND INCHES MAXIMUM 0.220 |
| HARDNESS RATING CQFM | VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM 302.0 AND VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM 372.0 |
| MATERIAL MATT | OVERALL STEEL COMP 410 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5504 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5612 |
| SPECIFICATION/STANDARD DATA ZZZK | MANUFACTURERS STANDARD 73030-588941 |
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 |
|---|---|---|
| 588941-157 | 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
—
Purchases
0
Total spend
—
Aug 17, 2026
Last purchased
1 · 1.0/yr
Purchase records
$2,080
Total demand
$2,080
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 17, 2026 | SPE4A125G0027/SPE4A526F7901 ↗ | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | — | $2,080 |
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
HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE
last award Aug 2026
HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE won the only award on record.
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: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,FLAT." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-097-8021/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-097-8021/