The Bushing,sleeve, cataloged under National Stock Number 3120-01-331-7263, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-331-7263 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Corner Shape | UNDERCUT LEFT FLANGE BODY CORNER |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.3756 INCHES MINIMUM AND 0.3761 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | ASTM B196 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.2500 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS77 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Flange Width | 0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NAS77B4-010P | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-331-7263 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-331-7263: Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 16 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.