Acquisition method (AMC)
1
FSC 5310 × WASHER,FLAT
WASHER,FLAT
5310-01-390-5131 FSC 5310
NSN 5310-01-390-5131 (also written 5310013905131; NIIN 01-390-5131) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 12 manufacturer part numbers from 11 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-0451 | 834 | Closes in 2d | Bid → |
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 |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.255 AND INCHES MAXIMUM 0.275 |
| PERIPHERAL SHAPE STYLE ABMW | — |
| CENTER HOLE SHAPE STYLE ABMX | — |
| THICKNESS ABNM | INCHES MINIMUM 0.028 AND INCHES MAXIMUM 0.036 |
| OVERALL DIAMETER ADAV | INCHES MINIMUM 0.495 AND INCHES MAXIMUM 0.520 |
| END ITEM IDENTIFICATION AGAV | A4 BRADLEY FIGHTING VEHICLE |
| MATERIAL MATT | OVERALL STEEL |
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 |
|---|---|---|
| 502220 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S |
| 5310PL0193929 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| AN960-416L | 1E0F1 | ROLLS ROYCE CORP |
| AN960-416L | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN960-416L | A0311 | TECNO TRADE S.R.L. |
| FF-W-92 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| FFW92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| NAS1149F0432P | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| NAS1149F0432P | A0126 | LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE |
| NAS1149F0432P | A0170 | LEONARDO SPA AERONAUTICS DIVISION - POMIGLIANO D'ARCO SITE |
| NAS1149F0432P | A0311 | TECNO TRADE S.R.L. |
| NAS1149F0432P | K0668 | LEONARDO UK LTD |
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
$2.30
Purchases
1
Total spend
$1,150
Oct 5, 2026
Last purchased
5 · 5.0/yr
Purchase records
$9,791
Total demand
$2.30
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | 500 | $2.30 | $1,150 | AERO-GLEN INTERNATIONAL LLC (9V172) | 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 |
|---|---|---|---|---|
| Aug 11, 2026 | SPE7M226V4672 ↗ | AERO-GLEN INTERNATIONAL LLC | — | $3,186 |
| Aug 17, 2026 | SPE7M226V4826 ↗ | — | — | $1,680 |
| Sep 8, 2026 | SPE7M226V5196 ↗ | AERO-GLEN INTERNATIONAL LLC | — | $1,150 |
| Oct 5, 2026 | SPE7M226V3507 ↗ | CAVANAUGH GOVERNMENT GROUP, LLC | — | $2,626 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
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
AERO-GLEN INTERNATIONAL LLC
last award Sep 2026
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
no award yet
no awards on record
Listed source ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
no award yet
no awards on record
Listed source FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source LEONARDO SPA AERONAUTICS DIVISION - POMIGLIANO D'ARCO SITE
no award yet
no awards on record
Listed source LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE
no award yet
no awards on record
Listed source LEONARDO UK LTD
no award yet
no awards on record
Listed source AERO-GLEN INTERNATIONAL LLC won the only award on record. AERO-GLEN INTERNATIONAL LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M2-27-T-0451 | Oct 29, 2026 | Nov 9, 2026 | 834 | Open | View at DIBBS → |
| SPE7M2-26-T-6549 | Aug 28, 2026 | Sep 8, 2026 | 500 | 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: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "WASHER,FLAT." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-390-5131/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-390-5131/