The Washer,flat, cataloged under National Stock Number 5310-01-526-3331, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-526-3331 |
| Primary Part Number | 03002B6014 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| Status | ACTIVE |
| Hardness Rating | 70.0 ROCKWELL B NOMINAL |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| 100-110289 | Stryten Canada Inc Div Revision Electronics & Power Systems (CAN) |
| 03002B6014 PRIMARY | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| 90965A170 | Mcmaster-Carr Supply Co (USA) |
| 67757 | Trimble Inc Dba Trimble Navigation (USA) |
NSN 5310-01-526-3331 is a Washer,flat, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-526-3331 has 4 manufacturer part numbers on file: 100-110289 (Stryten Canada Inc Div Revision Electronics & Power Systems), 03002B6014 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), 90965A170 (Mcmaster-Carr Supply Co), 67757 (Trimble Inc Dba Trimble Navigation).
Key specifications for 03002B6014: Hardness Rating: 70.0 ROCKWELL B NOMINAL; End Item Identification: TACTICAL WATER PURIFICATION SYSTEM (TWPS) NSN 4610-01-488-9656; Material: STEEL COMP 316 OVERALL. 2 specifications are documented in the U.S. Government catalog.
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.