The Bushing,sleeve, cataloged under National Stock Number 3120-01-328-9290, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-328-9290 |
| Primary Part Number | 04A079-18B058C |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 1.7600 INCHES MINIMUM AND 1.7700 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.3141 INCHES MINIMUM AND 1.3149 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.0940 INCHES MINIMUM AND 1.1120 INCHES MAXIMUM IN |
| Specification/standard Data | 76823-04A079 MANUFACTURERS STANDARD |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Flange Width | 0.1130 INCHES MINIMUM AND 0.1180 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 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 |
|---|---|
| 04A079-18B058C PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| 04A079-18B058C | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 3120-01-328-9290 is a Bushing,sleeve, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-328-9290 has 1 manufacturer part number on file: 04A079-18B058C (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for 04A079-18B058C: Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Outside Diameter: 1.7600 INCHES MINIMUM AND 1.7700 INCHES MAXIMUM IN; Body Outside Diameter: 1.3141 INCHES MINIMUM AND 1.3149 INCHES MAXIMUM IN. 11 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.