The Bushing,sleeve, cataloged under National Stock Number 3120-00-976-7971, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-00-976-7971 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Left End Body Diameter | 0.5000 INCHES NOMINAL IN |
| Flange Outside Diameter | 0.6250 INCHES NOMINAL IN |
| Body Outside Diameter | 0.5000 INCHES NOMINAL IN |
| End to Flange Distance | 0.1250 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE |
| Material Document and Classification | QQ-B-626,ALLOY 360,CL 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.2500 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN |
| Right End Body Diameter | 0.5000 INCHES NOMINAL IN |
| Antirotation/lubrication Type and Quantity | 3 HOLE |
| Flange Width | 0.0312 INCHES NOMINAL IN |
| Material | COPPER ALLOY 360 OVERALL |
| Hole Diameter | 0.0670 INCHES NOMINAL FIRST IN |
| Hole Diameter | 0.0890 INCHES NOMINAL SECOND IN |
| 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 |
|---|---|
| SMB204925 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-00-976-7971 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-976-7971: Corner Shape: SQUARE ALL CORNERS; Left End Body Diameter: 0.5000 INCHES NOMINAL IN; Flange Outside Diameter: 0.6250 INCHES NOMINAL IN; Body Outside Diameter: 0.5000 INCHES NOMINAL IN. 14 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.