The Bushing,sleeve, cataloged under National Stock Number 3120-01-440-5259, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Bath Iron Works Corporation. Government technical data includes 7 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 | 3120-01-440-5259 |
| Primary Part Number | 8100-1256-0303-PC42 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 1.8680 INCHES MINIMUM AND 1.8700 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 1.5000 INCHES MINIMUM AND 1.5010 INCHES MAXIMUM IN |
| Antirotation/lubrication Type and Quantity | 4 HOLE |
| Material | STEEL COMP 316 OVERALL |
| Hole Diameter | 0.1875 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 |
| Part Number | Manufacturer |
|---|---|
| 8100-1256-0303-PC42 PRIMARY | Bath Iron Works Corporation (USA) |
NSN 3120-01-440-5259 is a Bushing,sleeve, manufactured by Bath Iron Works Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-440-5259 has 1 manufacturer part number on file: 8100-1256-0303-PC42 (Bath Iron Works Corporation).
Key specifications for 8100-1256-0303-PC42: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 1.8680 INCHES MINIMUM AND 1.8700 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 2.1250 INCHES NOMINAL IN. 7 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.