The Key,socket Head Screw, cataloged under National Stock Number 5120-00-189-2989, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. 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 | 5120-00-189-2989 |
| Primary Part Number | 5120-00-189-2989 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | General Services Administration Federal Supply Service |
| Status | CANCELLED |
| Wrenching Surface Size | 0.219 INCHES NOMINAL BOTH ENDS IN |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Long Arm Length | 3.125 INCHES NOMINAL IN |
| Features Provided | NONMAGNETIC AND NONSPARKING |
| Style Designator | L-HANDLE |
| Material | COPPER ALLOY OVERALL |
| Short Arm Length | 1.062 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NC3110-347 | Dresser Industries Inc Leroi Div (USA) |
| L-7 | Ngk Metals Corporation Dba N G K Berylco (USA) |
| W-1050-D | Ampco Metal Inc. Dba Ampco Metal Inc (USA) |
| A-A-2477 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| NC1700-10 | Dresser Industries Inc Leroi Div (USA) |
| MIL-K-21120 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| DH 0056 | Ampco Partners, Ltd. Dba Ampco Safety Tools (USA) |
| L-7 | Garrett Industrial Supply Co (USA) |
| L-7-2557 | Ngk Metals Corporation Dba N G K Berylco (USA) |
| W-1050-D | Ampco Partners, Ltd. Dba Ampco Safety Tools (USA) |
| 5120-00-189-2989 PRIMARY | General Services Administration Federal Supply Service (USA) |
NSN 5120-00-189-2989 is a Key,socket Head Screw, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-189-2989 has 11 cross-referenced part numbers: NC3110-347 (Dresser Industries Inc Leroi Div), L-7 (Ngk Metals Corporation Dba N G K Berylco), W-1050-D (Ampco Metal Inc. Dba Ampco Metal Inc), A-A-2477 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), NC1700-10 (Dresser Industries Inc Leroi Div) and 6 more.
There are 12 known substitutes for 5120-00-189-2989: 5120-00-189-2979, 5120-00-189-2980, 5120-00-189-2981 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5120-00-189-2989: Wrenching Surface Size: 0.219 INCHES NOMINAL BOTH ENDS IN; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL; Long Arm Length: 3.125 INCHES NOMINAL IN; Features Provided: NONMAGNETIC AND NONSPARKING. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-189-2989 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.