The Washer,seal, cataloged under National Stock Number 5310-01-412-8595, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-412-8595 |
| Item Name | Washer,seal |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | CONCAVE |
| Outside Diameter | 0.620 INCHES NOMINAL0.620 INCHES NOMINAL IN |
| Material | STEEL COMP 304 BODY |
| Material | PLASTIC EPOXY SEALING ELEMENT |
| Hole Diameter | 0.264 INCHES NOMINAL0.264 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 |
| Reference | Meaning |
|---|---|
| 531B | 3/9 Design control — primary reference U.S. Government activity |
| 4700223 | 5/9 Secondary reference Becklin Holdings, Inc. |
| 47500223 | 7/2 Vendor item drawing reference Becklin Holdings, Inc. |
NSN 5310-01-412-8595 is a Washer,seal, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7025-01-559-5498. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-412-8595: Overall Height: 0.096 INCHES MINIMUM AND 0.096 INCHES MINIMUM AND 0.118 INCHES MAXIMUM0.118 INCHES MAXIMUM IN; Style Designator: CONCAVE; Outside Diameter: 0.620 INCHES NOMINAL0.620 INCHES NOMINAL IN; Material: STEEL COMP 304 BODY. 5 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.