The Wrench,open End, cataloged under National Stock Number 5120-00-277-1201, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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 | 5120-00-277-1201 |
| Primary Part Number | JC912 |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | ACTIVE |
| Head Thickness | 0.875 INCHES MINIMUM IN |
| Wrenching Surface Size | 2.000 INCHES NOMINAL SINGLE END IN |
| Material | STEEL OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Style Designator | STRUCTURAL |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C912 | The Stanley Works Dba Stanley Proto (USA) |
| GGG-W-636 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 32-564 | Armstrong Bros Tool Co (USA) |
| JC912 PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
| 32-564 | Apex Tool Group, Llc Dba Nicholson (USA) |
| 32-564 | Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA) |
| GGG-W-636 TY9CL1 | General Services Administration Federal Supply Service (USA) |
NSN 5120-00-277-1201 is a Wrench,open End, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-277-1201 has 7 cross-referenced part numbers: C912 (The Stanley Works Dba Stanley Proto), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), 32-564 (Armstrong Bros Tool Co), JC912 (The Stanley Works Dba Stanley Proto), 32-564 (Apex Tool Group, Llc Dba Nicholson) and 2 more.
There are 12 known substitutes for 5120-00-277-1201: 4720-00-095-4469, 5120-00-240-1588, 3030-00-264-3059 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for JC912: Head Thickness: 0.875 INCHES MINIMUM IN; Overall Length: 23.000 INCHES MINIMUM AND 26.000 INCHES MAXIMUM IN; Wrenching Surface Size: 2.000 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.