The Bushing,sleeve, cataloged under National Stock Number 3120-00-159-7124, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-00-159-7124 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Left End Body Diameter | 0.4310 INCHES MINIMUM AND 0.4410 INCHES MAXIMUM IN |
| Flange Outside Diameter | 1.0000 INCHES NOMINAL IN |
| End to Flange Distance | 0.0620 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE |
| Material Document and Classification | QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Right End Body Diameter | 0.4310 INCHES MINIMUM AND 0.4410 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Antirotation/lubrication Type and Quantity | 5 HOLE |
| Flange Width | 0.0830 INCHES NOMINAL IN |
| Material | COPPER ALLOY 510 OVERALL |
| Hole Diameter | 0.0550 INCHES NOMINAL AND 0.1010 INCHES NOMINAL FIRST 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 |
|---|---|
| SMB282428 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-00-159-7124 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-00-159-7124: Corner Shape: SQUARE ALL CORNERS; Left End Body Diameter: 0.4310 INCHES MINIMUM AND 0.4410 INCHES MAXIMUM IN; Flange Outside Diameter: 1.0000 INCHES NOMINAL IN; End to Flange Distance: 0.0620 INCHES NOMINAL IN. 13 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.