The Washer,lock, cataloged under National Stock Number 5310-00-042-6658, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-042-6658 |
| Primary Part Number | 426658 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Material | STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.879 INCHES MAXIMUM IN |
| Surface Treatment | TIN OVERALL |
| Nondefinitive Spec/std Data | A CLASS AND 2 STYLE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | -QQ-S-633 CANC FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Hole Diameter | 0.506 INCHES MINIMUM AND 0.529 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 426658 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| FFW84CLASSASTYLE2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 426658 | General Motors Llc Dba General Motors Llc (USA) |
| 426658 | General Motors Corp (USA) |
NSN 5310-00-042-6658 is a Washer,lock, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-042-6658 has 4 cross-referenced part numbers: 426658 (Army Weapons Command Attn Amswe-Ree-S), FFW84CLASSASTYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC), 426658 (General Motors Llc Dba General Motors Llc), 426658 (General Motors Corp).
There is 1 known substitute for 5310-00-042-6658: 5995-00-740-7287. Verify interchangeability with system specifications before substitution.
Key specifications for 426658: Material: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.879 INCHES MAXIMUM IN; Surface Treatment: TIN OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.