Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,SPLINE
NUT,SELF-LOCKING,SPLINE
5310-00-638-8146 FSC 5310
NSN 5310-00-638-8146 (also written 5310006388146; NIIN 00-638-8146) is a nut, self-locking, spline in Federal Supply Class 5310, Nuts and Washers. 13 manufacturer part numbers from 11 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE4A6-27-T-1791 | 16 | Closes in 1d | Bid → |
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 |
|---|---|
| NUT STYLE ACTA | — |
| NOMINAL THREAD SIZE CQJX | INCHES 0.190 |
| MATERIAL MATT | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MATERIAL MATT | NUT STEEL COMP 1212 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | NUT FED STD SINGLE MATERIAL RESPONSE 66 |
| SURFACE TREATMENT SFTT | OVERALL EXCEPT INSERT CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL EXCEPT INSERT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 QQ--416 |
| THREAD CLASS AAJD | 3B |
| NUT DIAMETER ACTD | INCHES MINIMUM 0.423 AND INCHES MAXIMUM 0.458 |
| PILOT LENGTH AAVM | INCHES MINIMUM 0.173 AND INCHES MAXIMUM 0.203 |
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| PILOT DIAMETER AAVL | INCHES MINIMUM 0.321 AND INCHES MAXIMUM 0.325 |
| THREAD QUANTITY PER INCH CMLP | 32 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.330 AND INCHES MAXIMUM 0.390 |
| TEMP RATING AZKQ | FAHRENHEIT MAXIMUM 250.0 |
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 |
|---|---|---|
| 10393773-010 | 019L2 | ESNA, LLC |
| 10393773-010 | 18876 | US ARMY AVIATION AND MISSILE COMMAND |
| 10393773-010 | 27687 | GREER STOP NUT, INC. |
| 12-517-00-500 | 78022 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 22D12-02 | 72962 | HARVARD INDUSTRIES INC |
| 22ND12-02 | 019L2 | ESNA, LLC |
| 22ND12-02 | 72962 | HARVARD INDUSTRIES INC |
| 22ND12-102 | 08928 | ABBOTT-INTERFAST CORP. |
| 22ND12-1032 | 22230 | LITTON SYSTEMS INC SUB OF LITTON INDUSTRIES INC LITTON MICROWAVE COOKING PRODUCTS DIV |
| 2577 | 31435 | LUCAS AEROSPACE POWER EQUIPMENT CORPORATION |
| 5310006388146 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
| 592560 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S |
| CV1110-1 | 80378 | TRIUMPH AEROSTRUCTURES, LLC DBA TRIUMPH AEROSTRUCTURES - VOUGHT INTEGRATED PROGRAMS 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-1791 | Oct 13, 2026 | Oct 20, 2026 | 16 | Open | 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 13, 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/5310-00-638-8146/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-638-8146/