The Wrench,box, cataloged under National Stock Number 5120-00-277-1437, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-00-277-1437 |
| Primary Part Number | B107.100 |
| Item Name | Wrench,box |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | CANCELLED |
| Small End Head Thickness | 0.438 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 1 CLASS AND A STYLE |
| Wrenching End Offset Angle | 15.0 DEGREES NOMINAL |
| Material | STEEL OVERALL |
| Wrenching Surface Shape | 12 POINT BOTH ENDS INTERNAL |
| Style Designator | SHALLOW ANGULAR OFFSET DOUBLE HEAD |
| Surface Treatment | CHROMIUM OVERALL |
| Wrenching Surface Size | 0.625 INCHES NOMINAL FIRST END IN |
| Special Markings | WRENCH SIZE |
| Wrenching Surface Size | 0.750 INCHES NOMINAL SECOND END IN |
| Specification/standard Data | 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Large End Head Thickness | 0.531 INCHES MAXIMUM IN |
| Large End Outside Diameter | 1.141 INCHES MAXIMUM IN |
| Small End Outside Diameter | 0.969 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.100 | The American Society of Mechanical Engineers (USA) |
| AS954 | Society of Automotive Engineers Inc (USA) |
| B107.9 | The American Society of Mechanical Engineers (USA) |
| 26-697 | Apex Tool Group, Llc Dba Nicholson (USA) |
| AS954 TY2CL1STA | General Services Administration Federal Supply Service (USA) |
| 2892B | Bonney Forge Corp (USA) |
| GGG-W-636 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 7729 | Trw Inc Hand Tools Div Trw Industrial Products Group (USA) |
| AS954 | Sae International Dba Sae International (USA) |
| TL169 | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| 26-697 | Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA) |
| A-A-1342 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| B107.6 | The American Society of Mechanical Engineers (USA) |
| B107.9 TY1CL1 | General Services Administration Federal Supply Service (USA) |
NSN 5120-00-277-1437 is a Wrench,box, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-277-1437 has 14 cross-referenced part numbers: B107.100 (The American Society of Mechanical Engineers), AS954 (Society of Automotive Engineers Inc), B107.9 (The American Society of Mechanical Engineers), 26-697 (Apex Tool Group, Llc Dba Nicholson), AS954 TY2CL1STA (General Services Administration Federal Supply Service) and 9 more.
There are 12 known substitutes for 5120-00-277-1437: 5120-00-184-8676, 5120-00-184-8677, 5120-00-184-8678 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B107.100: Small End Head Thickness: 0.438 INCHES MAXIMUM IN; Overall Length: 9.438 INCHES MINIMUM AND 11.500 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND A STYLE; Wrenching End Offset Angle: 15.0 DEGREES NOMINAL. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-277-1437 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.