The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-241-9717, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ngk Metals Corporation Dba N G K Berylco. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-241-9717 |
| Primary Part Number | W-71 |
| Item Name | Wrench,box and Open End,combinat |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Ngk Metals Corporation Dba N G K Berylco |
| Status | ACTIVE |
| Wrenching Surface Shape | 12 POINT SECOND END INTERNAL |
| Wrenching Surface Shape | OVAL FIRST END INTERNAL |
| Style Designator | OFFSET |
| Head Angle | 15.0 DEGREES NOMINAL |
| Features Provided | NONMAGNETIC AND NONSPARKING |
| Material | COPPER ALLOY OVERALL |
| Wrenching End Offset Angle | 15.0 DEGREES NOMINAL |
| Wrenching Surface Size | 1.250 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B107.6 TY1 | General Services Administration Federal Supply Service (USA) |
| B107.6 | The American Society of Mechanical Engineers (USA) |
| W-71 PRIMARY | Ngk Metals Corporation Dba N G K Berylco (USA) |
| W-71-2548 | Ngk Metals Corporation Dba N G K Berylco (USA) |
| B107.100 | The American Society of Mechanical Engineers (USA) |
NSN 5120-01-241-9717 is a Wrench,box and Open End,combinat, manufactured by Ngk Metals Corporation Dba N G K Berylco, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-01-241-9717 has 5 cross-referenced part numbers: B107.6 TY1 (General Services Administration Federal Supply Service), B107.6 (The American Society of Mechanical Engineers), W-71 (Ngk Metals Corporation Dba N G K Berylco), W-71-2548 (Ngk Metals Corporation Dba N G K Berylco), B107.100 (The American Society of Mechanical Engineers).
There are 6 known substitutes for 5120-01-241-9717: 9905-00-286-7965, 5120-00-293-0031, 3020-00-936-9194 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for W-71: Wrenching Surface Shape: 12 POINT SECOND END INTERNAL; Wrenching Surface Shape: OVAL FIRST END INTERNAL; Style Designator: OFFSET; Head Angle: 15.0 DEGREES NOMINAL. 9 total characteristics are documented in the Federal Logistics Information System.