The Washer,lock, cataloged under National Stock Number 5310-00-894-2353, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-894-2353 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FLAT EXTERNAL TEETH |
| Material Document and Classification | QQ-W-423 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-423 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-766 FED SPEC 2ND MATERIAL RESPONSE OR QQ-W-423 FED SPEC 3RD MATERIAL RESPONSE OR QQ-W-423 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-766 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-766 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-766 FED SPEC 6TH MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Material Thickness | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 OR 2 STYLE |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL |
| Hole Diameter | 0.256 INCHES MINIMUM AND 0.267 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 |
|---|---|
| MS16213-61 | 2/2 Government specification standardization U.S. Government activity |
| 5310PL0132059 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-00-894-2353 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-389-7623. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-894-2353: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT EXTERNAL TEETH; Material Document and Classification: QQ-W-423 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-423 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-766 FED SPEC 2ND MATERIAL RESPONSE OR QQ-W-423 FED SPEC 3RD MATERIAL RESPONSE OR QQ-W-423 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-766 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-766 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-766 FED SPEC 6TH MATERIAL RESPONSE OVERALL; Outside Diameter: 0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. 9 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.