The Bushing,sleeve, cataloged under National Stock Number 3120-01-288-2144, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-288-2144 |
| Primary Part Number | SS4007-6-46 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 40.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment Document and Classification | SS8435,CAGEC 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Body Outside Diameter | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN |
| Specification/standard Data | 78286-SS4007 MANUFACTURERS STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 630 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SS4007-6-46 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3120-01-288-2144 is a Bushing,sleeve, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-288-2144 has 1 manufacturer part number on file: SS4007-6-46 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for SS4007-6-46: Surface Finish: 40.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: SS8435,CAGEC 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.