The Key,socket Head Screw, cataloged under National Stock Number 5120-00-541-5556, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Bondhus Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 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 | 5120-00-541-5556 |
| Primary Part Number | 12102 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Bondhus Corp |
| Status | CANCELLED |
| Short Arm Length | 0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Specification/standard Data | 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Features Provided | LONG SERIES |
| Wrenching Surface Size | 0.050 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | L-HANDLE |
| Long Arm Length | 2.750 INCHES MINIMUM AND 2.938 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GGG-K-275 TY1CL2 | General Services Administration Federal Supply Service (USA) |
| B18.3 | The American Society of Mechanical Engineers (USA) |
| 12102 PRIMARY | Bondhus Corp (USA) |
| 58003 | Apex Tool Group, Llc Dba Nicholson (USA) |
| 58003 | Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA) |
| 70002 | Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA) |
| GGG-K-275 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 10082523 | Nimikkeistokeskus Ncb Finland (FIN) |
| A-A-2473 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 5120-00-541-5556 is a Key,socket Head Screw, manufactured by Bondhus Corp, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-541-5556 has 9 cross-referenced part numbers: GGG-K-275 TY1CL2 (General Services Administration Federal Supply Service), B18.3 (The American Society of Mechanical Engineers), 12102 (Bondhus Corp), 58003 (Apex Tool Group, Llc Dba Nicholson), 58003 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.) and 4 more.
There are 12 known substitutes for 5120-00-541-5556: 5310-00-038-2321, 6625-00-172-6625, 6105-00-547-2752 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12102: Short Arm Length: 0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Material: STEEL OVERALL; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL; Overall Length: 2.800 INCHES MINIMUM AND 2.988 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-541-5556 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.