The Wrench,open End, cataloged under National Stock Number 5120-00-277-1254, 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 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-00-277-1254 |
| Primary Part Number | 6A |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Martin Sprocket and Gear Inc |
| Status | CANCELLED |
| Head Angle | 15.0 DEGREES NOMINAL |
| Hardness Rating | 42.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Style Designator | SINGLE HEAD |
| Environmental Attribute Code | PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT |
| Material | STEEL OVERALL |
| Torque Capacity | 4860.0 INCH-POUNDS MINIMUM IN |
| Wrenching Surface Size | 0.938 INCHES NOMINAL SINGLE END IN |
| Head Thickness | 0.562 INCHES MAXIMUM IN |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Surface Treatment | ENAMEL AND CHROMIUM OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6A | Martin Sprocket and Gear Inc (USA) |
| 6A | Trw Inc Hand Tools Div Trw Industrial Products Group (USA) |
| 5400A27 | Mcmaster-Carr Supply Co (USA) |
| GGG-W-636 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| A-A-1357 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 30-0250 | Martin Sprocket and Gear Inc (USA) |
| GGG-W-636 TY5 | General Services Administration Federal Supply Service (USA) |
NSN 5120-00-277-1254 is a Wrench,open End, manufactured by Martin Sprocket and Gear Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-277-1254 has 7 cross-referenced part numbers: 6A (Martin Sprocket and Gear Inc), 6A (Trw Inc Hand Tools Div Trw Industrial Products Group), 5400A27 (Mcmaster-Carr Supply Co), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-1357 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 2 more.
There are 5 known substitutes for 5120-00-277-1254: 6625-00-031-0016, 2930-00-371-2748, 6640-00-420-5000 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6A: Head Angle: 15.0 DEGREES NOMINAL; Hardness Rating: 42.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Style Designator: SINGLE HEAD; Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-277-1254 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.