The Bearing,sleeve, cataloged under National Stock Number 3120-00-075-8486, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-075-8486 |
| Primary Part Number | 490745 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 490745 | Wgi Inc. Dba Wgi Inc (USA) |
| 490745 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| 490745 | Union Machine Co of Lynn, Inc (USA) |
| 490745 | Parts Life Inc (USA) |
| Reference | Meaning |
|---|---|
| 490745 | 5/9 Secondary reference Enjet Aero Bloomfield, Llc |
| 490745 | 7/2 Vendor item drawing reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 490745 | 5/9 Secondary reference Dell Manufacturing Co., Llc Dba Pursuit Aerospace |
| 490745 | 5/9 Secondary reference Hart Acquisition Company, Llc Dba Hart Precision Machining, Llc Div Hart Precision Machining |
| 490745 | 5/9 Secondary reference Electro-Methods, L.p. |
NSN 3120-00-075-8486 is a Bearing,sleeve, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-075-8486 has 4 manufacturer part numbers on file: 490745 (Wgi Inc. Dba Wgi Inc), 490745 (Rtx Corporation Div Pratt & Whitney), 490745 (Union Machine Co of Lynn, Inc), 490745 (Parts Life Inc).
Key specifications for 490745: Criticality Code Justification: FEAT; Special Features: FORM,FIT,FUNICTION; End Item Identification: ACFT ENGINE J-57. 1 specification is 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.