The Bearing Blank,sleeve, cataloged under National Stock Number 3120-01-533-4802, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Brewer Machine & Gear Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-533-4802 |
| Primary Part Number | FB 250HW X 1 1/2 |
| Item Name | Bearing Blank,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Brewer Machine & Gear Co |
| Status | ACTIVE |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END |
| Material | STEEL 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 |
|---|---|
| FB 250HW X 1 1/2 PRIMARY | Brewer Machine & Gear Co (USA) |
| Reference | Meaning |
|---|---|
| 31414-074 | 5/9 Secondary reference Brewer Machine & Gear Co |
NSN 3120-01-533-4802 is a Bearing Blank,sleeve, manufactured by Brewer Machine & Gear Co, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-533-4802 has 1 manufacturer part number on file: FB 250HW X 1 1/2 (Brewer Machine & Gear Co).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-536-0850. Verify interchangeability with system specifications before substitution.
Key specifications for FB 250HW X 1 1/2: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END; Part Name Assigned by Controlling Agency: SHAFT SLEEVE; End Item Identification: 3835015117335, HOSELINE OUTFIT, FUEL HANDLING; Material: STEEL OVERALL. 2 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.