The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-900-4602, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Rolls-Royce Corporation (CAGE 63005); Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (CAGE A0170) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-900-4602 |
| Primary Part Number | 6828826-428 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 6828826-428 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 6828826-428 | Rolls-Royce Corporation (USA) |
| 6828826-428 | Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA) |
| Reference | Meaning |
|---|---|
| 6828826-428 | 5/9 Secondary reference General Motors Corp |
| 6828826-428 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 57572-428 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5310-00-900-4602 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-900-4602 has 3 manufacturer part numbers on file: 6828826-428 (Sps Technologies, Llc Dba PB Fasteners), 6828826-428 (Rolls-Royce Corporation), 6828826-428 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-284-2916. Verify interchangeability with system specifications before substitution.
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.