The Wrench,box, cataloged under National Stock Number 5120-00-277-1580, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-277-1580 |
| Primary Part Number | J2638 |
| Item Name | Wrench,box |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | ACTIVE |
| Head Thickness | 1.625 INCHES MAXIMUM IN |
| Special Markings | WRENCH SIZE |
| Wrenching Surface Size | 2.375 INCHES NOMINAL SINGLE END IN |
| Material | STEEL OVERALL |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Surface Treatment | OXIDE OVERALL |
| Style Designator | STRUCTURAL |
| Outside Diameter | 3.719 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2638 | The Stanley Works Dba Stanley Proto (USA) |
| GGG-W-636 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 2638 | Stanley-Proto Industrial Works Div of the Stanley Works (USA) |
| J2638 PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
| GGG-W-636 TY9CL2 | General Services Administration Federal Supply Service (USA) |
NSN 5120-00-277-1580 is a Wrench,box, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-277-1580 has 5 cross-referenced part numbers: 2638 (The Stanley Works Dba Stanley Proto), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), 2638 (Stanley-Proto Industrial Works Div of the Stanley Works), J2638 (The Stanley Works Dba Stanley Proto), GGG-W-636 TY9CL2 (General Services Administration Federal Supply Service).
There are 12 known substitutes for 5120-00-277-1580: 5120-00-204-2659, 2010-00-213-0511, 5315-00-275-4764 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for J2638: Head Thickness: 1.625 INCHES MAXIMUM IN; Special Markings: WRENCH SIZE; Wrenching Surface Size: 2.375 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.