The Key,socket Head Screw, cataloged under National Stock Number 5120-00-189-2987, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ampco Partners, Ltd. Dba Ampco Safety Tools. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5120-00-189-2987 |
| Primary Part Number | WH-5/16 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Ampco Partners, Ltd. Dba Ampco Safety Tools |
| Status | CANCELLED |
| Long Arm Length | 3.750 INCHES NOMINAL IN |
| Short Arm Length | 1.375 INCHES NOMINAL IN |
| Wrenching Surface Size | 0.313 INCHES NOMINAL BOTH ENDS IN |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Material | COPPER ALLOY OVERALL |
| Style Designator | L-HANDLE |
| Features Provided | SHORT SERIES |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| L-9-2559 | Ngk Metals Corporation Dba N G K Berylco (USA) |
| W-1050-F | Ampco Metal Inc. Dba Ampco Metal Inc (USA) |
| B18.3 | The American Society of Mechanical Engineers (USA) |
| W-1050-F | Ampco Partners, Ltd. Dba Ampco Safety Tools (USA) |
| MIL-K-21120 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| DH 0080 | Ampco Partners, Ltd. Dba Ampco Safety Tools (USA) |
| A-A-2477 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| WH-5/16 PRIMARY | Ampco Partners, Ltd. Dba Ampco Safety Tools (USA) |
| NC3110-348 | Dresser Industries Inc Leroi Div (USA) |
| 5120-00-189-2987 PRIMARY | General Services Administration Federal Supply Service (USA) |
| L-9 | Ngk Metals Corporation Dba N G K Berylco (USA) |
NSN 5120-00-189-2987 is a Key,socket Head Screw, manufactured by Ampco Partners, Ltd. Dba Ampco Safety Tools, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-189-2987 has 11 cross-referenced part numbers: L-9-2559 (Ngk Metals Corporation Dba N G K Berylco), W-1050-F (Ampco Metal Inc. Dba Ampco Metal Inc), B18.3 (The American Society of Mechanical Engineers), W-1050-F (Ampco Partners, Ltd. Dba Ampco Safety Tools), MIL-K-21120 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.
There are 12 known substitutes for 5120-00-189-2987: 3110-00-100-6012, 3130-00-146-4645, 5120-00-189-2979 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for WH-5/16: Long Arm Length: 3.750 INCHES NOMINAL IN; Short Arm Length: 1.375 INCHES NOMINAL IN; Wrenching Surface Size: 0.313 INCHES NOMINAL BOTH ENDS IN; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-189-2987 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.