Acquisition method (AMC)
3
FSC 5310 × NUT,SELF-LOCKING,EXTENDED WASHER
NUT,SELF-LOCKING,EXTENDED WASHER
5310-01-378-8179 FSC 5310
NSN 5310-01-378-8179 (also written 5310013788179; NIIN 01-378-8179) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 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)
B
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, 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 |
| LOCKING FEATURE AAUM | FREE-RUNNING ALL METAL DESIGN |
| WASHER OUTSIDE DIAMETER AAVX | INCHES MINIMUM 0.648 AND INCHES MAXIMUM 0.658 |
| LUBRICATION ABAJ | WAX |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.458 AND INCHES MAXIMUM 0.468 |
| NUT STYLE ACTA | — |
| WASHER THICKNESS ADEM | INCHES MINIMUM 0.103 AND INCHES MAXIMUM 0.113 |
| END ITEM IDENTIFICATION AGAV | F-16 ACFT |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 24 |
| HARDNESS RATING CQFM | ROCKWELL C NOMINAL 38.0 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.375 |
| SPECIAL FEATURES FEAT | SAFETY FLIGHT |
| MATERIAL MATT | OVERALL STEEL COMP 8620 OR STEEL COMP 4037 OR STEEL COMP 8740 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC ALL TREATMENT RESPONSES QQ--416, TYE 1 CLASS 3 QQ--416 |
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 |
|---|---|---|
| 42FW624 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 9235390-05 | 8K112 | FREUNDLICH SUPPLY COMPANY, INC. |
| 9235390-05 | 98747 | OGDEN AIR LOGISTICS CENTER |
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
$257.60
Purchases
1
Total spend
$3,864
Sep 29, 2026
Last purchased
2 · 2.0/yr
Purchase records
$7,728
Total demand
$257.60
Latest unit price
Purchase history
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 29, 2026 | SPE4A626V410S ↗ | — | — | $3,864 |
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
CAGE 13W08
last award Sep 2026
FREUNDLICH SUPPLY COMPANY, INC.
no award yet
no awards on record
Listed source OGDEN AIR LOGISTICS CENTER
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source CAGE 13W08 won the only award on record. CAGE 13W08 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-33UM | Sep 21, 2026 | Sep 28, 2026 | 15 | 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. "NUT,SELF-LOCKING,EXTENDED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-378-8179/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-378-8179/