The Key,socket Head Screw, cataloged under National Stock Number 5120-01-045-4888, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-045-4888 |
| Primary Part Number | 57122 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Apex Tool Group, Llc Dba Nicholson |
| Status | ACTIVE |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL OVERALL |
| Style Designator | L-HANDLE |
| Departure From Cited Document | AS MODIFIED BY LONG ARM LENGTH |
| Features Provided | SHORT SERIES |
| Specification/standard Data | 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Short Arm Length | 18.0 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM MM |
| Wrenching Surface Size | 3.0 MILLIMETERS NOMINAL BOTH ENDS MM |
| Long Arm Length | 57.0 MILLIMETERS MINIMUM AND 63.0 MILLIMETERS MAXIMUM MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 57122 | Apex Tool Group, Llc Dba Nicholson (USA) |
| 57122 | Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA) |
| 68035 | Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA) |
| B18.3.2 | The American Society of Mechanical Engineers (USA) |
| SKK 516-C | Shinko Ind. Ltd (JPN) |
| 0198 4400 | Blackwood J. Blackwood & Son Pty Ltd (AUS) |
NSN 5120-01-045-4888 is a Key,socket Head Screw, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.
NSN 5120-01-045-4888 has 6 cross-referenced part numbers: 57122 (Apex Tool Group, Llc Dba Nicholson), 57122 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 68035 (Allen Mfg Co Sub of Chicago Pneumatic Tool Co), B18.3.2 (The American Society of Mechanical Engineers), SKK 516-C (Shinko Ind. Ltd) and 1 more.
There are 5 known substitutes for 5120-01-045-4888: 4730-00-174-4513, 5210-00-554-7135, 6850-01-396-3362 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 57122: Surface Treatment: OXIDE OVERALL; Material: STEEL OVERALL; Style Designator: L-HANDLE; Departure From Cited Document: AS MODIFIED BY LONG ARM LENGTH. 11 total characteristics are documented in the Federal Logistics Information System.