The Bearing,sleeve, cataloged under National Stock Number 3120-01-056-3045, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Cef Industries, Llc Dba Cef Industries Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-056-3045 |
| Primary Part Number | 8353-63 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Cef Industries, Llc Dba Cef Industries Inc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Left End Body Diameter | 1.4960 INCHES MINIMUM AND 1.4980 INCHES MAXIMUM IN |
| Flange Outside Diameter | 2.1130 INCHES MINIMUM AND 2.1150 INCHES MAXIMUM IN |
| End to Flange Distance | 1.1350 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE |
| Body Inside Diameter | 1.1810 INCHES MINIMUM AND 1.1830 INCHES MAXIMUM IN |
| Right End Body Diameter | 1.5610 INCHES MINIMUM AND 1.5640 INCHES MAXIMUM IN |
| Flange Width | 0.4700 INCHES MINIMUM AND 0.4750 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 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 |
|---|---|
| 8353-63 PRIMARY | Cef Industries, Llc Dba Cef Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 8353-15 | 5/9 Secondary reference Cef Industries, Llc Dba Cef Industries Inc |
NSN 3120-01-056-3045 is a Bearing,sleeve, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-056-3045 has 1 manufacturer part number on file: 8353-63 (Cef Industries, Llc Dba Cef Industries Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-293-4151, 6750-01-429-1916. Verify interchangeability with system specifications before substitution.
Key specifications for 8353-63: Corner Shape: SQUARE ALL CORNERS; Left End Body Diameter: 1.4960 INCHES MINIMUM AND 1.4980 INCHES MAXIMUM IN; Flange Outside Diameter: 2.1130 INCHES MINIMUM AND 2.1150 INCHES MAXIMUM IN; End to Flange Distance: 1.1350 INCHES NOMINAL IN. 9 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.