The Bushing,sleeve, cataloged under National Stock Number 3120-00-050-7710, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-050-7710 |
| Primary Part Number | 21246 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc. Div Space and Airborne Systems |
| Status | ACTIVE |
| Body Outside Diameter | 0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material | STEEL COMP 4130 OVERALL |
| Surface Finish | 100.0 MICROINCHES INTERMEDIATE LAYER |
| Material Document and Classification | MIL-T-6736,TY 1,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3750 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment | CADMIUM OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21246 PRIMARY | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 54A50A83 | Naval Sea Systems Command (USA) |
| 54A50A83 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 54A50A83 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3120-00-050-7710 is a Bushing,sleeve, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-050-7710 has 4 cross-referenced part numbers: 21246 (L3harris Technologies, Inc. Div Space and Airborne Systems), 54A50A83 (Naval Sea Systems Command), 54A50A83 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 54A50A83 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 10 known substitutes for 3120-00-050-7710: 3110-00-142-4386, 3110-00-156-4160, 5110-00-260-1644 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21246: Body Outside Diameter: 0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: STEEL COMP 4130 OVERALL; Surface Finish: 100.0 MICROINCHES INTERMEDIATE LAYER. 9 total characteristics are documented in the Federal Logistics Information System.