The Bushing,sleeve, cataloged under National Stock Number 3120-01-340-1237, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rolls-Royce Plc Div Defense (europe). The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Rolls-Royce Plc Div Defense (europe) (CAGE K0378) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-340-1237 |
| Primary Part Number | B509149 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rolls-Royce Plc Div Defense (europe) |
| Status | ACTIVE |
| 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 |
|---|---|
| B509149 PRIMARY | Rolls-Royce Plc Div Defense (europe) (GBR) |
| Reference | Meaning |
|---|---|
| B509149 | 5/9 Secondary reference Rolls-Royce Inc |
| B509149 | 5/9 Secondary reference Rolls-Royce Airlines |
NSN 3120-01-340-1237 is a Bushing,sleeve, manufactured by Rolls-Royce Plc Div Defense (europe), classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-340-1237 has 1 manufacturer part number on file: B509149 (Rolls-Royce Plc Div Defense (europe)).
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.