The Washer,flat, cataloged under National Stock Number 5310-01-694-5304, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Insitu, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Insitu, Inc. (CAGE 02FP7) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-694-5304 |
| Primary Part Number | 001-001703-000 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Insitu, Inc. |
| 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 |
|---|---|
| 001-001703-000 | Insitu, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 002-000561 | D/9 Drawing number reference only Insitu, Inc. |
| 002-000528 ITEM NO.9 | 5/9 Secondary reference Insitu, Inc. |
| 002-000561 ITEM NO.6 | 5/9 Secondary reference Insitu, Inc. |
| 5758-43 | 3/2 Design control — primary reference U.S. Government activity |
| 002-000528 | D/9 Drawing number reference only Insitu, Inc. |
NSN 5310-01-694-5304 is a Washer,flat, manufactured by Insitu, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-694-5304 has 1 manufacturer part number on file: 001-001703-000 (Insitu, Inc.).
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.