The Bushing,sleeve, cataloged under National Stock Number 3120-01-154-0451, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 10 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 | 3120-01-154-0451 |
| Primary Part Number | 253341 PIECE 30 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OVERALL |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Body Outside Diameter | 1.2560 INCHES MINIMUM AND 1.2565 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | QQ-N-288,COND D FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.0050 INCHES MINIMUM AND 1.0090 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY 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 |
|---|---|
| 253341 PIECE 30 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 3120-01-154-0451 is a Bushing,sleeve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-154-0451 has 1 manufacturer part number on file: 253341 PIECE 30 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 253341 PIECE 30: Surface Finish: 63.0 MICROINCHES OVERALL; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER; Corner Shape: CHAMFERED OUTSIDE LEFT CORNER. 10 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.