The Bearing Unit,plain, cataloged under National Stock Number 3130-01-568-0522, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-568-0522 |
| Primary Part Number | 337075 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| 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 |
|---|---|
| 337075 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| C3342BE3P311LY289 | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| TCR 33-42 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
| TCR 33-42 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| TCF 33-428 (0) LY-12 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
NSN 3130-01-568-0522 is a Bearing Unit,plain, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-568-0522 has 2 manufacturer part numbers on file: 337075 (Lockheed Martin Corporation Div Rms - Mitchel Field), C3342BE3P311LY289 (Mpb Corp Div Timken Super Precision).
Key specifications for 337075: Part Name Assigned by Controlling Agency: BEARING,BALL ASSEMBLY; End Item Identification: SPECIAL ELECTRONIC AIRCRAFT (E2C). 0 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.