The Bushing,sleeve, cataloged under National Stock Number 3120-00-032-3971, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 19 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 | 3120-00-032-3971 |
| Primary Part Number | GB10C14-9 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 200.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 1.3070 INCHES MINIMUM AND 1.3170 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.0638 INCHES MINIMUM AND 1.0648 INCHES MAXIMUM IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.8680 INCHES MINIMUM AND 0.8700 INCHES MAXIMUM IN |
| Specification/standard Data | 26512-GB10C MANUFACTURERS SOURCE CONTROL |
| Surface Treatment | CADMIUM OVERALL |
| Flange Width | 0.0880 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4340 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 |
|---|---|
| GB10C14-9 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 3120-00-032-3971 is a Bushing,sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-032-3971 has 1 manufacturer part number on file: GB10C14-9 (Northrop Grumman Systems Corporation).
Key specifications for GB10C14-9: Surface Finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE; Surface Finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 200.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: CHAMFERED INSIDE LEFT CORNER. 19 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.