The Washer,flat, cataloged under National Stock Number 5310-00-438-4093, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pakon Inc Dba Impak Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Pakon Inc Dba Impak Division (CAGE 1Z473) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-438-4093 |
| Primary Part Number | 82958 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pakon Inc Dba Impak Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 82958 PRIMARY | Pakon Inc Dba Impak Division (USA) |
NSN 5310-00-438-4093 is a Washer,flat, manufactured by Pakon Inc Dba Impak Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-438-4093 has 1 manufacturer part number on file: 82958 (Pakon Inc Dba Impak Division).
2 possible matches (shared part number, not a government interchangeability claim): 7930-01-389-2611, 5340-01-479-4317. 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.