The Washer,lock, cataloged under National Stock Number 5310-00-013-1047, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-013-1047 |
| Primary Part Number | 131047 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.474 INCHES MAXIMUM IN |
| Material Thickness | 0.219 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | A CLASS AND 2 STYLE |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Material | STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL |
| Hole Diameter | 0.890 INCHES MINIMUM AND 0.922 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 |
| Part Number | Manufacturer |
|---|---|
| 131047 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| Reference | Meaning |
|---|---|
| 34814S7 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| FFW84CLASSASTYLE2 | 4/1 Identification reference U.S. Government activity |
| 131047 | 5/1 Secondary reference General Motors Corp |
NSN 5310-00-013-1047 is a Washer,lock, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-013-1047 has 1 manufacturer part number on file: 131047 (Army Weapons Command Attn Amswe-Ree-S).
Key specifications for 131047: Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-S-633-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.474 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.