Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,SPLINE
NUT,SELF-LOCKING,SPLINE
5310-01-279-2303 FSC 5310
NSN 5310-01-279-2303 (also written 5310012792303; NIIN 01-279-2303) is a nut, self-locking, spline in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 5 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 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| PILOT DIAMETER AAVL | INCHES MINIMUM 0.264 AND INCHES MAXIMUM 0.270 |
| PILOT LENGTH AAVM | INCHES NOMINAL 0.316 |
| COUNTERBORE DIAMETER AAWY | NUT INCHES MINIMUM 0.243 AND INCHES MAXIMUM 0.250 |
| NUT STYLE ACTA | — |
| NUT LENGTH ACVN | INCHES MINIMUM 0.547 AND INCHES MAXIMUM 0.582 |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.342 AND INCHES MAXIMUM 0.372 |
| NUT COUNTERBORE DEPTH ADFK | NUT INCHES NOMINAL 0.316 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| FEATURES PROVIDED CBBL | FLOATING NUT |
| THREAD QUANTITY PER INCH CMLP | 32 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.190 |
| MATERIAL MATT | BRACKET STEEL COMP 1050 |
| MATERIAL MATT | NUT STEEL COMP 1050 OR STEEL COMP 1075 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | NUT ASSN STD 1ST MATERIAL RESPONSE A-S5085 OR ASSN STD 2ND MATERIAL RESPONSE AST- A682 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY2,CL2 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 |
|---|---|---|
| C7592A3H3 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY |
| FGD6010-10-H-3 | 0HDW7 | HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION |
| FGD6010-10-H-3 | 97928 | HUCK INTL INC |
| FGD6010L-10-H-3 | 0HDW7 | HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION |
| FT5195-10-8-3P | 58794 | FASTENER TECHNOLOGY CORP |
| SL3469-3H3 | 97393 | SPS TECHNOLOGIES LLC DBA SHUR-LOK COMPANY DIV AEROSPACE ENGINEERED PRODUCTS DIVISION |
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
—
—
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 | |
|---|---|---|---|---|---|
| SPE4A6-27-T-0907 | Oct 8, 2026 | Oct 15, 2026 | 489 | 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,SELF-LOCKING,SPLINE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-279-2303/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-279-2303/