The Key,socket Head Screw, cataloged under National Stock Number 5120-00-113-4173, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-113-4173 |
| Primary Part Number | B18.3 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Long Arm Length | 2.281 INCHES MINIMUM AND 2.469 INCHES MAXIMUM IN |
| Specification/standard Data | 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Wrenching Surface Size | 0.168 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL OVERALL |
| Wrenching Surface Flute Quantity | 6 |
| Style Designator | L-HANDLE |
| Wrenching Surface Shape | SPLINE BOTH ENDS EXTERNAL |
| Short Arm Length | 0.703 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B18.3 | The American Society of Mechanical Engineers (USA) |
| 515103 | Rohde & Schwarz Usa, Inc. (USA) |
| GGG-K-275 TY2CL1 | General Services Administration Federal Supply Service (USA) |
| GGG-K-275 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5120-00-113-4173 is a Key,socket Head Screw, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-00-113-4173 has 4 cross-referenced part numbers: B18.3 (The American Society of Mechanical Engineers), 515103 (Rohde & Schwarz Usa, Inc.), GGG-K-275 TY2CL1 (General Services Administration Federal Supply Service), GGG-K-275 (Federal Specifications Promulgated by General Services Administration Washington DC).
There is 1 known substitute for 5120-00-113-4173: 6105-00-325-9356. Verify interchangeability with system specifications before substitution.
Key specifications for B18.3: Long Arm Length: 2.281 INCHES MINIMUM AND 2.469 INCHES MAXIMUM IN; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Wrenching Surface Size: 0.168 INCHES NOMINAL BOTH ENDS IN; Material: STEEL OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.