The Bushing,sleeve, cataloged under National Stock Number 3120-01-021-9237, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-021-9237 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Surface Finish | 100.0 MICROINCHES INTERMEDIATE LAYER |
| 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 | 1.3650 INCHES MINIMUM AND 1.3850 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.1888 INCHES MINIMUM AND 1.1898 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-C-465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.0000 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS77 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Flange Width | 0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 642 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 |
|---|---|
| NAS77A16-50P | 5/9 Secondary reference U.S. Government activity |
| NAS77A16-050P | 3/2 Design control — primary reference U.S. Government activity |
| NAS77 | 3/1 Design control — primary reference U.S. Government activity |
NSN 3120-01-021-9237 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-021-9237: Surface Finish: 100.0 MICROINCHES INTERMEDIATE LAYER; Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 17 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.