The Bearing,sleeve, cataloged under National Stock Number 3120-01-348-3683, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3120-01-348-3683 |
| Primary Part Number | 211039763 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.5200 INCHES MINIMUM AND 0.5260 INCHES MAXIMUM IN |
| Style Designator | SPLIT, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.4900 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM IN |
| Material | PLASTIC NYLON 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 |
|---|---|
| 211039763 PRIMARY | Naval Sea Systems Command (USA) |
| 801-6404588 FIND 45 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| DMT# 01D049-45DEL | 5/1 Secondary reference Derbyshire Machine & Tool Co |
| DF330617 FIND 45 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3120-01-348-3683 is a Bearing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-348-3683 has 2 manufacturer part numbers on file: 211039763 (Naval Sea Systems Command), 801-6404588 FIND 45 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-431-1132. Verify interchangeability with system specifications before substitution.
Key specifications for 211039763: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.5200 INCHES MINIMUM AND 0.5260 INCHES MAXIMUM IN; Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.3020 INCHES MINIMUM AND 0.3070 INCHES MAXIMUM IN. 5 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.