Acquisition method (AMC)
1
FSC 5310 × NUT,PLAIN,EXTENDED WASHER,HEXAGO
NUT,PLAIN,EXTENDED WASHER,HEXAGO
5310-01-175-2811 FSC 5310
NSN 5310-01-175-2811 (also written 5310011752811; NIIN 01-175-2811) is a nut, plain, extended washer, hexago in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 5 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 |
|---|---|
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| WASHER OUTSIDE DIAMETER AAVX | INCHES NOMINAL 0.579 |
| OVERALL HEIGHT ABKW | INCHES NOMINAL 0.190 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | INCHES NOMINAL 0.025 |
| WIDTH ACROSS FLATS ASDB | INCHES NOMINAL 0.435 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 24 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.375 |
| CRITICALITY CODE JUSTIFICATION CRTL | MATT |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S5737 |
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 |
|---|---|---|
| 73783CM624 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 73783CM624 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| 9131M74P04 | 07482 | GENERAL ELECTRIC COMPANY |
| 9131M74P24 | 07482 | GENERAL ELECTRIC COMPANY |
| 9131M74P24 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| H49403-6 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| SMTE9925-6 | 72962 | HARVARD INDUSTRIES INC |
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
—
Sep 17, 2026
Last purchased
1 · 1.0/yr
Purchase records
$3,560
Total demand
$3,560
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 |
|---|---|---|---|---|
| Sep 17, 2026 | SPE4A026P2638 ↗ | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | — | $3,560 |
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
BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC
last award Sep 2026
GENERAL ELECTRIC COMPANY
no award yet
no awards on record
Listed source HARVARD INDUSTRIES INC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC won the only award on record. BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-31XF | Sep 18, 2026 | Sep 25, 2026 | 80 | 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: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,PLAIN,EXTENDED WASHER,HEXAGO." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-175-2811/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-175-2811/