The Bushing,sleeve, cataloged under National Stock Number 3120-01-024-9820, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Western Sky Industries Inc Dba Electromech Techologies. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-024-9820 |
| Primary Part Number | P4-395-20 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Western Sky Industries Inc Dba Electromech Techologies |
| Status | ACTIVE |
| Flange Outside Diameter | 2.0000 INCHES NOMINAL IN |
| End to Flange Distance | 0.3125 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE |
| Body Inside Diameter | 0.5040 INCHES MINIMUM AND 0.5045 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Antirotation/lubrication Type and Quantity | 2 HOLE |
| Flange Width | 0.2500 INCHES NOMINAL IN |
| Hole Diameter | 0.2812 INCHES NOMINAL FIRST IN |
| 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 |
|---|---|
| P4-395-20 PRIMARY | Western Sky Industries Inc Dba Electromech Techologies (USA) |
| Reference | Meaning |
|---|---|
| 2R775PC118B | 5/9 Secondary reference Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots |
NSN 3120-01-024-9820 is a Bushing,sleeve, manufactured by Western Sky Industries Inc Dba Electromech Techologies, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-024-9820 has 1 manufacturer part number on file: P4-395-20 (Western Sky Industries Inc Dba Electromech Techologies).
Key specifications for P4-395-20: Flange Outside Diameter: 2.0000 INCHES NOMINAL IN; End to Flange Distance: 0.3125 INCHES NOMINAL IN; Style Designator: SOLID, EXTERNAL FLANGE; Overall Length: 0.9375 INCHES NOMINAL IN. 8 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.