The Washer,flat, cataloged under National Stock Number 5310-00-875-8249, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Marine Diesel, Inc. Dba Marine Diesel. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5310-00-875-8249 |
| Primary Part Number | 875-8249 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Marine Diesel, Inc. Dba Marine Diesel |
| Status | ACTIVE |
| Overall Diameter | 0.775 INCHES NOMINAL IN |
| Material Document and Classification | QQ-8-671 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.500 INCHES NOMINAL IN |
| Thickness | 0.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 875-8249 | Marine Diesel, Inc. Dba Marine Diesel (USA) |
| Reference | Meaning |
|---|---|
| 6085B | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 200110AAG858 | 5/9 Secondary reference U.S. Government activity |
| 6085B | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 6085B | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-875-8249 is a Washer,flat, manufactured by Marine Diesel, Inc. Dba Marine Diesel, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-875-8249 has 1 manufacturer part number on file: 875-8249 (Marine Diesel, Inc. Dba Marine Diesel).
2 possible matches (shared part number, not a government interchangeability claim): 2520-01-088-9158, 5999-01-200-8104. Verify interchangeability with system specifications before substitution.
Key specifications for 875-8249: Overall Diameter: 0.775 INCHES NOMINAL IN; Material Document and Classification: QQ-8-671 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.