The Key,socket Head Screw, cataloged under National Stock Number 5120-01-151-1803, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-151-1803 |
| 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 |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL OVERALL |
| Features Provided | BALL END AND LONG SERIES |
| Wrenching Surface Size | 0.094 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | L-HANDLE |
| Specification/standard Data | 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5120-01-151-1803 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 5120-01-151-1803 has 4 cross-referenced part numbers: B18.3 (The American Society of Mechanical Engineers), 10905 (Bondhus Corp), BL3/32 (Bondhus Corp), 10905 (Owen International Pty Ltd).
There are 11 known substitutes for 5120-01-151-1803: 3895-00-309-9240, 5340-00-662-9800, 5905-00-903-5165 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for B18.3: Surface Treatment: OXIDE OVERALL; Material: STEEL OVERALL; Features Provided: BALL END AND LONG SERIES; Wrenching Surface Size: 0.094 INCHES NOMINAL BOTH ENDS IN. 8 total characteristics are documented in the Federal Logistics Information System.