The Washer,seal, cataloged under National Stock Number 5310-01-662-1577, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Trident Emergency Products, Llc. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-662-1577 |
| Primary Part Number | 04.004.0 |
| Item Name | Washer,seal |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Trident Emergency Products, Llc |
| Status | ACTIVE |
| Style Designator | CONCAVE |
| Outside Diameter | 0.88 INCHES NOMINAL IN |
| Material Thickness | 0.19 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 |
NSN 5310-01-662-1577 is a Washer,seal, manufactured by Trident Emergency Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-662-1577 has 2 manufacturer part numbers on file: 4199422 (Oshkosh Defense Llc), 04.004.0 (Trident Emergency Products, Llc).
Key specifications for 04.004.0: Style Designator: CONCAVE; Outside Diameter: 0.88 INCHES NOMINAL IN; Material Thickness: 0.19 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: CUP WASHER, PRIME-TIME. 3 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.