The Head,crowfoot Socket Wrench, cataloged under National Stock Number 5120-00-203-9639, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wta Tool Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-203-9639 |
| Primary Part Number | 27451 |
| Item Name | Head,crowfoot Socket Wrench |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Wta Tool Llc |
| Status | ACTIVE |
| Wrenching Surface Size | 1.562 INCHES NOMINAL SINGLE END IN |
| Opening Width | 1.571 INCHES MINIMUM AND 1.586 INCHES MAXIMUM IN |
| Wrenching Surface Shape | OVAL SINGLE END INTERNAL |
| Material | STEEL OVERALL |
| Torque Capacity | 1175.0 INCH-POUNDS NOMINAL IN |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Style Designator | OPEN RATCHET |
| Drive End Shape | OVAL SINGLE END EXTERNAL |
| Head Thickness | 0.490 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 27451 PRIMARY | Wta Tool Llc (USA) |
| 27451 | Granco Industries Inc (USA) |
| GGG-W-646 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| GGG-W-646 TY1CL1STBFMB | General Services Administration Federal Supply Service (USA) |
NSN 5120-00-203-9639 is a Head,crowfoot Socket Wrench, manufactured by Wta Tool Llc, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-203-9639 has 4 cross-referenced part numbers: 27451 (Wta Tool Llc), 27451 (Granco Industries Inc), GGG-W-646 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-W-646 TY1CL1STBFMB (General Services Administration Federal Supply Service).
There are 4 known substitutes for 5120-00-203-9639: 5995-01-082-6214, 5120-01-349-1394, 5935-01-564-1718 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 27451: Wrenching Surface Size: 1.562 INCHES NOMINAL SINGLE END IN; Opening Width: 1.571 INCHES MINIMUM AND 1.586 INCHES MAXIMUM IN; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Overall Width: 3.467 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.