Acquisition method (AMC)
3
FSC 5310 × NUT,SELF-LOCKING,ROUND
NUT,SELF-LOCKING,ROUND
5310-01-056-2966 FSC 5310
NSN 5310-01-056-2966 (also written 5310010562966; NIIN 01-056-2966) is a nut, self-locking, round in Federal Supply Class 5310, Nuts and Washers. 7 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)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC L: annual buy value is below the screening threshold. 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 PITCH DIAMETERS AAJE | INCHES 0.9487 TO 0.9521 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| SMALL END DIAMETER ABPH | INCHES NOMINAL 1.312 |
| NUT STYLE ACTA | — |
| NUT DIAMETER ACTD | INCHES MINIMUM 1.547 AND INCHES MAXIMUM 1.562 |
| NUT THICKNESS ADBG | INCHES MINIMUM 0.438 AND INCHES MAXIMUM 0.469 |
| DRIVE POINT WIDTH ADBH | INCHES MINIMUM 0.168 AND INCHES MAXIMUM 0.198 |
| UNDERCUT THICKNESS ADBJ | INCHES NOMINAL 0.094 |
| DRIVE POINT QUANTITY ADBM | 4 |
| THREAD SERIES BZRR | UNS |
| THREAD QUANTITY PER INCH CMLP | 32 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.969 |
| MATERIAL MATT | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MATERIAL MATT | NUT STEEL COMP 1018 |
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 |
|---|---|---|
| 55-22024 PART 8 | 52081 | EURAMCO SAFETY INC |
| 803654-0-06 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| 81581-F | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| B03654-0-06 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| BH-05 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| BHM-05 | 79568 | WHITTET-HIGGINS COMPANY |
| BL-N-05 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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
$13.31
Purchases
1
Total spend
$1,823
Sep 22, 2026
Last purchased
2 · 2.0/yr
Purchase records
$3,647
Total demand
$13.31
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | 137 | $13.31 | $1,823 | MIDWAY INDUSTRIAL SUPPLY INC. (329E3) | 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 22, 2026 | SPE4A626V384F ↗ | — | — | $1,823 |
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
MIDWAY INDUSTRIAL SUPPLY INC.
last award Sep 2026
EURAMCO SAFETY INC
no award yet
no awards on record
Listed source WHITTET-HIGGINS COMPANY
no award yet
no awards on record
Listed source ZF INDUSTRIEANTRIEBE WITTEN GMBH
no award yet
no awards on record
Listed source MIDWAY INDUSTRIAL SUPPLY INC. won the only award on record. MIDWAY INDUSTRIAL SUPPLY INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-29SQ | Sep 16, 2026 | Sep 23, 2026 | 137 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,ROUND." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-056-2966/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-056-2966/