Acquisition method (AMC)
1
FSC 5310 × NUT ASSEMBLY,SELF-LOCKING,GANG C
NUT ASSEMBLY,SELF-LOCKING,GANG C
5310-00-372-8312 FSC 5310
NSN 5310-00-372-8312 (also written 5310003728312; NIIN 00-372-8312) is a nut assembly, self-locking, gang c in Federal Supply Class 5310, Nuts and Washers. 9 manufacturer part numbers from 7 suppliers are on record. No purchases are on record yet.
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)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
| FEATURES PROVIDED CBBL | FLOATING NUT |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION ABAJ | DRY FILM LUBRICANT |
| OVERALL LENGTH ABHP | INCHES NOMINAL 72.000 |
| OVERALL WIDTH ABMK | INCHES MAXIMUM 0.452 |
| NUT STYLE ACTA | — |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | CHANNEL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-250 TO 13,T6 QQ-A-250 |
| SURFACE TREATMENT SFTT | CHANNEL ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | CHANNEL MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625 |
| SPECIFICATION/STANDARD DATA ZZZK | MANUFACTURERS STANDARD 76301-ST3-463 |
| MATERIAL MATT | NUT STEEL CORROSION RESISTING |
| ASSEMBLY OVERALL HEIGHT ADFF | INCHES MAXIMUM 0.230 |
| COUNTERBORE DIAMETER AAWY | NUT INCHES MINIMUM 0.194 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| NUT SPACING ADFH | INCHES NOMINAL 0.875 |
| NUT COUNTERBORE DEPTH ADFK | NUT INCHES MINIMUM 0.070 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.190 |
| MATERIAL MATT | CHANNEL ALUMINUM ALLOY 7075 |
| CHANNEL STYLE ADFE | — |
| NUT QUANTITY AZXC | 82 |
| THREAD QUANTITY PER INCH CMLP | 32 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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 |
|---|---|---|
| 10121326 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 3M463N7A82-1 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| BGC463N1-7-82 | 27238 | BRISTOL INDUSTRIES, LLC |
| C-170-3-1-7-82 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| G184215-1-3-7 | 019L2 | ESNA, LLC |
| G184215-1-3-7 | 72962 | HARVARD INDUSTRIES INC |
| G18421JL1-3-7 | 019L2 | ESNA, LLC |
| G18421JL1-3-7 | 72962 | HARVARD INDUSTRIES INC |
| G49439E-3-1-7 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS 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
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Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-50K4 | May 11, 2026 | Sep 23, 2026 | 119 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT ASSEMBLY,SELF-LOCKING,GANG C." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-372-8312/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-372-8312/