The Bearing,sleeve, cataloged under National Stock Number 3120-01-333-2176, 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 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-333-2176 |
| Primary Part Number | 5959303-73 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 63.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Flange Outside Diameter | 3.2500 INCHES NOMINAL IN |
| Body Outside Diameter | 2.7520 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | ASTM B169 ASSN STD 1ST MATERIAL RESPONSE OR ASTM B150 ASSN STD ALL MATERIAL RESPONSES OR ASTM B169 ASSN STD 2ND MATERIAL RESPONSE OR ASTM B124 ASSN STD 3RD MATERIAL RESPONSE OR ASTM B150 ASSN STD 3RD MATERIAL RESPONSE OR ASTM B124 ASSN STD 4TH MATERIAL RESPONSE OR ASTM B150 ASSN STD 4TH MATERIAL RESPONSE OR ASTM B283 ASSN STD 4TH MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 2.5000 INCHES MINIMUM AND 2.5020 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Flange Width | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 606 OR COPPER ALLOY 614 OR COPPER ALLOY 630 OR COPPER ALLOY 642 OVERALL |
| Surface Groove Location and Quantity | 1 INTERNAL |
| 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 |
|---|---|
| 5959303-73 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 524-6603688-VHBA-84 | 5/9 Secondary reference Naval Sea Systems Command |
| 803-5959303-X-73 | 5/9 Secondary reference Naval Sea Systems Command |
| 5959303-73 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-01-333-2176 is a Bearing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-333-2176 has 1 manufacturer part number on file: 5959303-73 (Naval Sea Systems Command).
Key specifications for 5959303-73: Surface Finish: 32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Surface Finish: 63.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY. 19 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.