The Socket,crowfoot Wrench Head, cataloged under National Stock Number 5120-00-248-6666, 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 8 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-00-248-6666 |
| Primary Part Number | 3891 |
| Item Name | Socket,crowfoot Wrench Head |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Wta Tool Llc |
| Status | CANCELLED |
| Material | STEEL OVERALL |
| Wrenching Surface Shape | HEXAGON SINGLE END INTERNAL |
| Style Designator | EXTERNAL-INTERNAL |
| Surface Treatment | CHROMIUM AND NICKEL AND OXIDE OVERALL |
| Wrenching Surface Size | 0.625 INCHES NOMINAL SINGLE END IN |
| Opening Diameter | 0.432 INCHES MINIMUM IN |
| Drive End Outside Diameter | 0.678 INCHES NOMINAL IN |
| Wrenching End Outside Diameter | 0.937 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3891 PRIMARY | Wta Tool Llc (USA) |
| GGG-W-646 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 16020T | Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters (USA) |
| GGG-W-646 TY2CL1STBFMATM154 | General Services Administration Federal Supply Service (USA) |
| GIT-3891 | Granco Industries Inc (USA) |
| 3891 | Granco Industries Inc (USA) |
NSN 5120-00-248-6666 is a Socket,crowfoot Wrench Head, manufactured by Wta Tool Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-248-6666 has 6 cross-referenced part numbers: 3891 (Wta Tool Llc), GGG-W-646 (Federal Specifications Promulgated by General Services Administration Washington DC), 16020T (Ingersoll-Rand Co Proto Tool Div Tool Group Headquarters), GGG-W-646 TY2CL1STBFMATM154 (General Services Administration Federal Supply Service), GIT-3891 (Granco Industries Inc) and 1 more.
There are 10 known substitutes for 5120-00-248-6666: 6210-00-176-6074, 6810-00-234-8377, 5905-00-244-8106 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3891: Material: STEEL OVERALL; Wrenching Surface Shape: HEXAGON SINGLE END INTERNAL; Overall Length: 1.125 INCHES NOMINAL IN; Style Designator: EXTERNAL-INTERNAL. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-248-6666 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.