The Extension,socket Wrench, cataloged under National Stock Number 5120-01-399-9526, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-399-9526 |
| Primary Part Number | 4765 |
| Item Name | Extension,socket Wrench |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The Stanley Works Dba Stanley Proto |
| Status | ACTIVE |
| Features Provided | MANUAL TOOL |
| Drive Surface Size | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Specification/standard Data | 05047-ASME B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Drive End Shape | SQUARE SECOND END EXTERNAL |
| Nondefinitive Spec/std Data | 2 TYPE AND 2 CLASS AND B STYLE |
| Style Designator | FLEXIBLE |
| Drive End Shape | SQUARE FIRST END INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4765 | The Stanley Works Dba Stanley Proto (USA) |
| B107.10 TY2CL2STB | General Services Administration Federal Supply Service (USA) |
| J4765 | The Stanley Works Dba Stanley Proto (USA) |
| B107.110 CAT 10 TY2CL2STB | General Services Administration Federal Supply Service (USA) |
| 1AF50 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| B107.10 | The American Society of Mechanical Engineers (USA) |
| B107.110 | The American Society of Mechanical Engineers (USA) |
NSN 5120-01-399-9526 is a Extension,socket Wrench, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-01-399-9526 has 7 cross-referenced part numbers: 4765 (The Stanley Works Dba Stanley Proto), B107.10 TY2CL2STB (General Services Administration Federal Supply Service), J4765 (The Stanley Works Dba Stanley Proto), B107.110 CAT 10 TY2CL2STB (General Services Administration Federal Supply Service), 1AF50 (W.w. Grainger, Inc. Div Government Sales Division) and 2 more.
There are 11 known substitutes for 5120-01-399-9526: 5120-00-022-9797, 5120-00-240-1532, 5930-00-503-4884 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4765: Overall Length: 6.000 INCHES NOMINAL IN; Features Provided: MANUAL TOOL; Drive Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN; Specification/standard Data: 05047-ASME B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 10 total characteristics are documented in the Federal Logistics Information System.