The Bushing,sleeve, cataloged under National Stock Number 3120-01-448-8701, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Esna, Llc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-448-8701 |
| Primary Part Number | BACB28W12E080 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | UNDERCUT LEFT FLANGE BODY CORNER |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 1.1250 INCHES NOMINAL IN |
| Body Outside Diameter | 0.9383 INCHES MINIMUM AND 0.9393 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.7340 INCHES MINIMUM AND 0.7410 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Flange Width | 0.0550 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 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 |
|---|---|
| BACB28W12E080 | Esna, Llc (USA) |
| BACB28W12E080 | Mayday Manufacturing Co. (USA) |
| BACB28W12E080 | All Power Manufacturing Co. (USA) |
| BACB28W12E080 | Avalon Machine Products Inc (USA) |
| Reference | Meaning |
|---|---|
| BACB28W12E080 | 5/2 Secondary reference U.S. Government activity |
| BACB28W12E080 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-448-8701 is a Bushing,sleeve, manufactured by Esna, Llc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-448-8701 has 4 manufacturer part numbers on file: BACB28W12E080 (Esna, Llc), BACB28W12E080 (Mayday Manufacturing Co.), BACB28W12E080 (All Power Manufacturing Co.), BACB28W12E080 (Avalon Machine Products Inc).
Key specifications for BACB28W12E080: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 15 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.