The Bushing,sleeve, cataloged under National Stock Number 3120-00-720-2279, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-720-2279 |
| Primary Part Number | BL2545 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Corner Shape | ROUND OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | ROUND OUTSIDE RIGHT CORNER |
| Flange Outside Diameter | 0.7350 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.6240 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN |
| Hardness Rating | 60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SEGMENTED, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Flange Width | 0.2120 INCHES MINIMUM AND 0.2150 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| BL2545 PRIMARY | Breeze-Eastern Llc (USA) |
NSN 3120-00-720-2279 is a Bushing,sleeve, manufactured by Breeze-Eastern Llc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-720-2279 has 1 manufacturer part number on file: BL2545 (Breeze-Eastern Llc).
Key specifications for BL2545: Corner Shape: ROUND OUTSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 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.