The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-129-7610, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-129-7610 |
| Primary Part Number | 23538 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| Width Across Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNJEF |
| Precious Material | SILVER |
| Nut Counterbore Depth | 0.100 INCHES NOMINAL BOTH ENDS IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Counterbore Diameter | 0.560 INCHES MINIMUM AND 0.570 INCHES MAXIMUM BOTH ENDS IN |
| Nut Height | 0.699 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | ALL SURFACES SILVER |
| Countersink Angle | 45.0 DEGREES NOMINAL BOTH ENDS |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-12 OVERALL |
| Bearing Surface Type | CHAMFERED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-129-7610 is a Nut,plain,hexagon, manufactured by Williams International Co., L.l.c., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-129-7610 has 2 manufacturer part numbers on file: 23538 (Williams International Co., L.l.c.), 23538 (Bc Technical Center, Llc Dba Bc Engineered Products).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-239-6143. Verify interchangeability with system specifications before substitution.
Key specifications for 23538: Width Across Flats: 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNJEF; Precious Material: SILVER. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.