The Washer,seal, cataloged under National Stock Number 5310-01-303-9656, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-303-9656 |
| Item Name | Washer,seal |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Outside Diameter | 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN |
| Material Thickness | 0.0959 INCHES MINIMUM IN |
| Hole Diameter | 0.313 INCHES MINIMUM AND 0.437 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 |
| Reference | Meaning |
|---|---|
| S158 | 3/9 Design control — primary reference U.S. Government activity |
| 169800-3 | 7/2 Vendor item drawing reference Rtx Corporation Div Pratt & Whitney |
NSN 5310-01-303-9656 is a Washer,seal, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-303-9656: Outside Diameter: 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN; Material Thickness: 0.0959 INCHES MINIMUM IN; Special Features: GASKET,RUBBER ASTM D2000,M3BA714A16,PLATE,STAINLESS STEEL TYPE 302,AMS 5513 OR TYPE 304,ASTM A240,GASKET PERMANENTY BONDED TO PLATE; Hole Diameter: 0.313 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN. 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.