The Wrench,open End, cataloged under National Stock Number 5120-00-277-1230, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Martin Sprocket and Gear Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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 | 5120-00-277-1230 |
| Primary Part Number | 903A |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Martin Sprocket and Gear Inc |
| Status | ACTIVE |
| Wrenching Surface Size | 0.625 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL OVERALL |
| Style Designator | STRUCTURAL |
| Head Thickness | 0.406 INCHES MINIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 32-520 | Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA) |
| 32-520 | Apex Tool Group, Llc Dba Nicholson (USA) |
| 53649802 | Msc Industrial Direct Co., Inc. (USA) |
| 903A PRIMARY | Martin Sprocket and Gear Inc (USA) |
| 32-520 | Armstrong Bros Tool Co (USA) |
| C903A | The Stanley Works Dba Stanley Proto (USA) |
| JC903A PRIMARY | The Stanley Works Dba Stanley Proto (USA) |
| GGG-W-636 TY9CL1 | General Services Administration Federal Supply Service (USA) |
| GGG-W-636 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5120-00-277-1230 is a Wrench,open End, manufactured by Martin Sprocket and Gear Inc, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-277-1230 has 9 cross-referenced part numbers: 32-520 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 32-520 (Apex Tool Group, Llc Dba Nicholson), 53649802 (Msc Industrial Direct Co., Inc.), 903A (Martin Sprocket and Gear Inc), 32-520 (Armstrong Bros Tool Co) and 4 more.
There are 12 known substitutes for 5120-00-277-1230: 5935-00-102-8099, 5120-00-240-1588, 5120-00-277-1185 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 903A: Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Surface Treatment: OXIDE OVERALL; Material: STEEL OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.