The Washer,lock, cataloged under National Stock Number 5310-00-013-8164, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-013-8164 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Style Designator | FLAT EXTERNAL TEETH |
| Material Document and Classification | QQ-S-633,FS 1060 TO FS 1080-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN |
| Material Thickness | 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL |
| Hole Diameter | 0.168 INCHES MINIMUM AND 0.174 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 |
|---|---|
| MS35335-45 | 2/2 Government specification standardization U.S. Government activity |
| 138164 | 5/1 Secondary reference Chrysler Realty Company Llc Dba Daimler Chrysler |
| 92X3R | 5/9 Secondary reference U.S. Government activity |
| MILW6986TYPEB | 4/1 Identification reference U.S. Government activity |
| BEAX7C5 | 5/9 Secondary reference CAGE 00000 |
| 138164 | 5/1 Secondary reference General Motors Corp |
NSN 5310-00-013-8164 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-013-8164: Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Style Designator: FLAT EXTERNAL TEETH; Material Document and Classification: QQ-S-633,FS 1060 TO FS 1080-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN. 8 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.