The Bushing,sleeve, cataloged under National Stock Number 3120-01-166-7995, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 21 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 | 3120-01-166-7995 |
| Primary Part Number | 74A450826-2003 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF LEFT FLANGE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF BODY |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE DIAMETER SURFACE OF BODY |
| Flange Outside Diameter | 2.8740 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN |
| Body Outside Diameter | 2.4390 INCHES MINIMUM AND 2.4400 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-C-530 COND AT FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 2.2200 INCHES MINIMUM AND 2.2250 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment | CADMIUM AND CHROMATE RIGHT END SURFACE OF BODY |
| Surface Treatment | CADMIUM AND CHROMATE INSIDE DIAMETER SURFACE OF BODY |
| Surface Treatment | CADMIUM AND CHROMATE OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Treatment | CADMIUM AND CHROMATE RIGHT END SURFACE OF LEFT FLANGE |
| Antirotation/lubrication Type and Quantity | 2 HOLE |
| Flange Width | 0.0585 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL |
| Hole Diameter | 0.5300 INCHES MINIMUM AND 0.5360 INCHES MAXIMUM 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 |
|---|---|
| 74A450826-2003 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 3120-01-166-7995 is a Bushing,sleeve, manufactured by The Boeing Company Div Defense, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-166-7995 has 1 manufacturer part number on file: 74A450826-2003 (The Boeing Company Div Defense).
Key specifications for 74A450826-2003: Surface Finish: 32.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE RIGHT END SURFACE OF LEFT FLANGE. 21 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.