The Key,socket Head Screw, cataloged under National Stock Number 5120-01-045-4898, 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 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-045-4898 |
| Primary Part Number | 57138 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — No Item Name Available |
| Manufacturer | Apex Tool Group, Llc Dba Nicholson |
| Status | ACTIVE |
| Wrenching Surface Size | 17.0 MILLIMETERS NOMINAL BOTH ENDS MM |
| Features Provided | SHORT SERIES |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Style Designator | L-HANDLE |
| Nondefinitive Spec/std Data | 1 TYPE |
| Specification/standard Data | 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL OVERALL |
| Long Arm Length | 152.0 MILLIMETERS MINIMUM AND 162.0 MILLIMETERS MAXIMUM MM |
| Short Arm Length | 50.0 MILLIMETERS MINIMUM AND 63.0 MILLIMETERS MAXIMUM MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 57138 | Apex Tool Group, Llc Dba Nicholson (USA) |
| 17 X 160MM | Mak Americas Inc (CAN) |
| 68075 | Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA) |
| 57138 | Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA) |
| B18.3.2 | The American Society of Mechanical Engineers (USA) |
NSN 5120-01-045-4898 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 5120-01-045-4898 has 5 cross-referenced part numbers: 57138 (Apex Tool Group, Llc Dba Nicholson), 17 X 160MM (Mak Americas Inc), 68075 (Allen Mfg Co Sub of Chicago Pneumatic Tool Co), 57138 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), B18.3.2 (The American Society of Mechanical Engineers).
There are 8 known substitutes for 5120-01-045-4898: 5999-00-477-7394, 9905-01-050-2321, 1650-01-300-1648 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 57138: Wrenching Surface Size: 17.0 MILLIMETERS NOMINAL BOTH ENDS MM; Features Provided: SHORT SERIES; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL; Style Designator: L-HANDLE. 11 total characteristics are documented in the Federal Logistics Information System.