The Key,socket Head Screw, cataloged under National Stock Number 5120-00-249-9670, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 13 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 | 5120-00-249-9670 |
| 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 | CANCELLED |
| Wrenching Surface Shape | SPLINE BOTH ENDS EXTERNAL |
| Style Designator | L-HANDLE |
| Short Arm Length | 0.469 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Long Arm Length | 1.656 INCHES MINIMUM AND 1.844 INCHES MAXIMUM IN |
| Wrenching Surface Size | 0.072 INCHES NOMINAL BOTH ENDS IN |
| Wrenching Surface Flute Quantity | 6 |
| Specification/standard Data | 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Features Provided | SHORT SERIES |
| Material | STEEL OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B18.3 | The American Society of Mechanical Engineers (USA) |
| 8220-1C | Cessna Aircraft Co Arc Avionics Div (USA) |
| S318-1004P27 | Raytheon Co Equipment Development Lab (USA) |
| 9073301 | Us Army Aviation and Missile Command (USA) |
| A-A-2473 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| GGG-K-275 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| S-072 | H-K Connecticut Holding Company (USA) |
| GGG-K-275 TY2CL1 | General Services Administration Federal Supply Service (USA) |
| 5072 | Gc/waldom Inc (USA) |
| 024-0167-000 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| MS7 | Sna Germany Gmbh (DEU) |
| S072 | Bristol Babcock Inc Instruments-Systems Div Sub of Babcock Intl Inc (USA) |
| 318-1051P2 | Raytheon Co Equipment Development Lab (USA) |
| S-072-6 | Mahalo Industries Inc Dba Bristol Wrench Co. (USA) |
NSN 5120-00-249-9670 is a Key,socket Head Screw, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.
NSN 5120-00-249-9670 has 14 cross-referenced part numbers: B18.3 (The American Society of Mechanical Engineers), 8220-1C (Cessna Aircraft Co Arc Avionics Div), S318-1004P27 (Raytheon Co Equipment Development Lab), 9073301 (Us Army Aviation and Missile Command), A-A-2473 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 9 more.
There are 12 known substitutes for 5120-00-249-9670: 4810-00-032-8178, 6240-00-060-2941, 3110-00-155-8439 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B18.3: Wrenching Surface Shape: SPLINE BOTH ENDS EXTERNAL; Style Designator: L-HANDLE; Short Arm Length: 0.469 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Long Arm Length: 1.656 INCHES MINIMUM AND 1.844 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5120-00-249-9670 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.