The Washer,flat, cataloged under National Stock Number 5310-01-269-8639, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Bosch Rexroth Corporation Div Industrial Hydraulics (CAGE 27005) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-269-8639 |
| Primary Part Number | RR00003810 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| 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 |
|---|---|
| RR00003810 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
| Reference | Meaning |
|---|---|
| 003810 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
NSN 5310-01-269-8639 is a Washer,flat, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-269-8639 has 1 manufacturer part number on file: RR00003810 (Bosch Rexroth Corporation Div Industrial Hydraulics).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-426-7052, 4820-01-572-7852. 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.