The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-475-6935, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-475-6935 |
| Primary Part Number | 124-4322621 PC 74 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 1.631 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-Z-325A,TYPE II,CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL A |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | SAE J 995,GR 2,TY III ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Nut Height | 0.939 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 7 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 124-4322621 PC 74 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4322621 | D/9 Drawing number reference only Naval Sea Systems Command |
| 1553927 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5310-01-475-6935 is a Nut,plain,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-475-6935 has 1 manufacturer part number on file: 124-4322621 PC 74 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3120-01-476-3738, 3040-01-476-6097, 3010-01-479-4685. Verify interchangeability with system specifications before substitution.
Key specifications for 124-4322621 PC 74: Width Across Flats: 1.631 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-Z-325A,TYPE II,CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL A; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: SAE J 995,GR 2,TY III ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 13 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.