The Wrench,box, cataloged under National Stock Number 5120-01-661-6734, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-661-6734 |
| Primary Part Number | 8910 |
| Item Name | Wrench,box |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Martin Sprocket and Gear Inc |
| Status | ACTIVE |
| Outside Diameter | 2.625 INCHES NOMINAL IN |
| Head Thickness | 1.188 INCHES NOMINAL IN |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Style Designator | STRUCTURAL |
| Wrenching Surface Size | 1.625 INCHES NOMINAL SINGLE END IN |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8910 PRIMARY | Martin Sprocket and Gear Inc (USA) |
| 11A7000188 | Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA) |
NSN 5120-01-661-6734 is a Wrench,box, manufactured by Martin Sprocket and Gear Inc, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-01-661-6734 has 2 cross-referenced part numbers: 8910 (Martin Sprocket and Gear Inc), 11A7000188 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army).
There are 10 known substitutes for 5120-01-661-6734: 6670-00-164-0567, 5340-00-200-5936, 5120-00-399-4702 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8910: Overall Length: 21.000 INCHES NOMINAL IN; Outside Diameter: 2.625 INCHES NOMINAL IN; End Item Identification: ARSS; Head Thickness: 1.188 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.