The Socket,socket Wrench, cataloged under National Stock Number 5120-01-579-0956, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 5120-01-579-0956 |
| Primary Part Number | 39-016 |
| Item Name | Socket,socket Wrench |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Apex Tool Group, Llc Dba Nicholson |
| Status | ACTIVE |
| Drive End Outside Diameter | 22.1 MILLIMETERS NOMINAL MM |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| Features Provided | MANUAL TOOL |
| Material | STEEL OVERALL |
| Wrenching Surface Shape | 6 POINT SINGLE END INTERNAL |
| Wrenching End Outside Diameter | 22.1 MILLIMETERS NOMINAL MM |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Style Designator | INTERNAL-INTERNAL |
| Wrenching Surface Size | 16.0 MILLIMETERS NOMINAL SINGLE END MM |
| Wrenching End Opening Depth | 11.4 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5120-01-579-0956 is a Socket,socket Wrench, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-01-579-0956 has 3 cross-referenced part numbers: 39-016 (Apex Tool Group, Llc Dba Nicholson), 39-016 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 39-016 (Armstrong Bros Tool Co).
There are 4 known substitutes for 5120-01-579-0956: 3010-00-289-8593, 2825-00-388-6859, 5130-01-071-5491 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 39-016: Drive End Outside Diameter: 22.1 MILLIMETERS NOMINAL MM; Overall Length: 37.0 MILLIMETERS NOMINAL MM; Drive End Shape: SQUARE SINGLE END INTERNAL; Surface Treatment: CHROMIUM OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.