The Washer,flat, cataloged under National Stock Number 5310-00-281-3333, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Warner Electric Brake and Clutch Co Hq. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-281-3333 |
| Primary Part Number | 110887 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Warner Electric Brake and Clutch Co Hq |
| Status | ACTIVE |
| Overall Diameter | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.170 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Thickness | 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-00-281-3333 is a Washer,flat, manufactured by Warner Electric Brake and Clutch Co Hq, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-281-3333 has 2 manufacturer part numbers on file: 110887 (Warner Electric Brake and Clutch Co Hq), 110887 (Rogers Brothers Corp).
1 possible match (shared part number, not a government interchangeability claim): 5895-00-481-6137. Verify interchangeability with system specifications before substitution.
Key specifications for 110887: Overall Diameter: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: COPPER ALLOY OVERALL. 7 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.