The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-547-0031, 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 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-547-0031 |
| Primary Part Number | 7635857-017 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 5.5 MILLIMETERS NOMINAL MM |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Height | 4.0 MILLIMETERS NOMINAL MM |
| Nut Style | HEXAGON |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 94205A220 | Epsilon Systems Solutions, Inc. (USA) |
| 94205A220 | Mcmaster-Carr Supply Co (USA) |
| 7635857-017 | Raytheon Company (USA) |
| 7635857-017 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-547-0031 is a Nut,self-Locking,hexagon, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-547-0031 has 4 manufacturer part numbers on file: 94205A220 (Epsilon Systems Solutions, Inc.), 94205A220 (Mcmaster-Carr Supply Co), 7635857-017 (Raytheon Company), 7635857-017 (Naval Sea Systems Command).
Key specifications for 7635857-017: Width Across Flats: 5.5 MILLIMETERS NOMINAL MM; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Height: 4.0 MILLIMETERS NOMINAL MM; Nut Style: HEXAGON. 5 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.