The Washer,flat, cataloged under National Stock Number 5310-01-379-1264, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Barnes Group Inc. Dba Barnes Distribution (CAGE 05573) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-379-1264 |
| Primary Part Number | 31376 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Barnes Group Inc. Dba Barnes Distribution |
| 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 |
|---|---|
| 31376 PRIMARY | Barnes Group Inc. Dba Barnes Distribution (USA) |
| Reference | Meaning |
|---|---|
| 863T0010508-002 | 5/9 Secondary reference Lockheed Martin Corp |
NSN 5310-01-379-1264 is a Washer,flat, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-379-1264 has 1 manufacturer part number on file: 31376 (Barnes Group Inc. Dba Barnes Distribution).
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.