The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-446-5225, 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 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-446-5225 |
| Primary Part Number | 123-4403555 PIECE 31 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Overall Thickness | 0.1250 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Diameter | 1.0156 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.7500 INCHES NOMINAL IN |
| Material | COPPER ALLOY 841 OVERALL |
| Center Hole Shape Style | ROUND |
| 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 |
|---|---|
| 4403555 PIECE 31 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 123-4403555 PIECE 31 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 3120-01-446-5225 is a Bearing,washer,thrust, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-446-5225 has 2 manufacturer part numbers on file: 4403555 PIECE 31 (Huntington Ingalls Inc Div Newport News Shipbuilding), 123-4403555 PIECE 31 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 123-4403555 PIECE 31: Corner Shape: SQUARE ALL CORNERS; Overall Thickness: 0.1250 INCHES NOMINAL IN; Style Designator: ROUND; Diameter: 1.0156 INCHES NOMINAL IN. 8 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.