The Wrench,box, cataloged under National Stock Number 5120-01-078-4820, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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 | 5120-01-078-4820 |
| Primary Part Number | GGG-W-636 |
| Item Name | Wrench,box |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Large End Head Thickness | 0.281 INCHES MAXIMUM IN |
| Small End Outside Diameter | 0.438 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS AND 2 STYLE |
| Wrenching Surface Size | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM SECOND END IN |
| Large End Outside Diameter | 0.500 INCHES MAXIMUM IN |
| Wrenching Surface Shape | 12 POINT BOTH ENDS INTERNAL |
| Style Designator | DEEP ANGULAR OFFSET DOUBLE HEAD |
| Wrenching End Offset Angle | 40.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM |
| Small End Head Thickness | 0.250 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Wrenching Surface Size | 0.250 INCHES NOMINAL FIRST END IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GGG-W-636 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| GGG-W-636 TY1CL2ST2 | General Services Administration Federal Supply Service (USA) |
NSN 5120-01-078-4820 is a Wrench,box, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-01-078-4820 has 2 cross-referenced part numbers: GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-W-636 TY1CL2ST2 (General Services Administration Federal Supply Service).
There is 1 known substitute for 5120-01-078-4820: 5120-00-554-7289. Verify interchangeability with system specifications before substitution.
Key specifications for GGG-W-636: Large End Head Thickness: 0.281 INCHES MAXIMUM IN; Small End Outside Diameter: 0.438 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS AND 2 STYLE; Wrenching Surface Size: 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM SECOND END IN. 13 total characteristics are documented in the Federal Logistics Information System.