The Wrench,open End, cataloged under National Stock Number 5120-00-277-1187, 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 6 commercial cross-references from 5 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 | 5120-00-277-1187 |
| Primary Part Number | JC905A |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | ACTIVE |
| Head Thickness | 0.500 INCHES MINIMUM IN |
| Wrenching Surface Size | 0.812 INCHES NOMINAL SINGLE END IN |
| Style Designator | STRUCTURAL |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Material | STEEL OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GGG-W-636 TY9CL1 | General Services Administration Federal Supply Service (USA) |
| 1726 | Wright Tool Company, Llc (USA) |
| 905A | Martin Sprocket and Gear Inc (USA) |
| C905A | The Stanley Works Dba Stanley Proto (USA) |
| GGG-W-636 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| JC905A PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
NSN 5120-00-277-1187 is a Wrench,open End, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-277-1187 has 6 cross-referenced part numbers: GGG-W-636 TY9CL1 (General Services Administration Federal Supply Service), 1726 (Wright Tool Company, Llc), 905A (Martin Sprocket and Gear Inc), C905A (The Stanley Works Dba Stanley Proto), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC) and 1 more.
There are 12 known substitutes for 5120-00-277-1187: 5950-00-066-0929, 5120-00-240-1588, 6680-00-243-9977 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for JC905A: Head Thickness: 0.500 INCHES MINIMUM IN; Wrenching Surface Size: 0.812 INCHES NOMINAL SINGLE END IN; Style Designator: STRUCTURAL; Wrenching Surface Shape: OVAL SINGLE END INTERNAL. 7 total characteristics are documented in the Federal Logistics Information System.