Acquisition method (AMC)
3
FSC 5310 × WASHER,FLAT
WASHER,FLAT
5310-01-499-8139 FSC 5310
NSN 5310-01-499-8139 (also written 5310014998139; NIIN 01-499-8139) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 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)
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 |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| HOLE DIAMETER AAUB | INCHES NOMINAL 0.812 |
| PERIPHERAL SHAPE STYLE ABMW | — |
| CENTER HOLE SHAPE STYLE ABMX | — |
| THICKNESS ABNM | INCHES MINIMUM 0.126 AND INCHES MAXIMUM 1.136 |
| OVERALL DIAMETER ADAV | INCHES NOMINAL 2.000 |
| END ITEM IDENTIFICATION AGAV | WASTE PROCESS |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 40.0 AND ROCKWELL C MAXIMUM 48.0 |
| MATERIAL MATT | OVERALL STEEL COMP 631 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S5824 |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
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 |
|---|---|---|
| 12488860 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
| 593-7556811 PC 84 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 754-7068540-A7 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 91860A036 | 39428 | MCMASTER-CARR SUPPLY 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
$10.60
Purchases
1
Total spend
$84.80
Sep 24, 2026
Last purchased
2 · 2.0/yr
Purchase records
$169.60
Total demand
$10.60
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | 8 | $10.60 | $84.80 | ALLIED TOOLS, INC (3DZM1) | 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 |
|---|---|---|---|---|
| Sep 24, 2026 | SPE4A626V392K ↗ | ALLIED TOOLS, INC | — | $84.80 |
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
ALLIED TOOLS, INC
last award Sep 2026
MCMASTER-CARR SUPPLY CO
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
no award yet
no awards on record
Listed source ZF INDUSTRIEANTRIEBE WITTEN GMBH
no award yet
no awards on record
Listed source ALLIED TOOLS, INC won the only award on record. ALLIED TOOLS, INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-32LG | Sep 18, 2026 | Sep 25, 2026 | 8 | 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.
- Data last refreshed: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,FLAT." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-499-8139/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-499-8139/