The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-555-4990, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Anixter. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Anixter (CAGE 03KT1); Oxnard Fabricators (CAGE 6W608) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-555-4990 |
| Primary Part Number | 3821119C1 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Anixter |
| Status | ACTIVE |
| 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 |
|---|---|
| 3821119C1 PRIMARY | Anixter (USA) |
| 5330000044-00 | Oxnard Fabricators (USA) |
| Reference | Meaning |
|---|---|
| 3821119C1 | 7/2 Vendor item drawing reference Nd Defense Llc |
| 3821119C1 | 5/9 Secondary reference Asf Logistics, Llc |
NSN 5310-01-555-4990 is a Nut,self-Locking,extended Washer, manufactured by Anixter, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-555-4990 has 2 manufacturer part numbers on file: 3821119C1 (Anixter), 5330000044-00 (Oxnard Fabricators).
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.