The Bushing,sleeve, cataloged under National Stock Number 3120-00-024-5950, 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 16 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 | 3120-00-024-5950 |
| Primary Part Number | GB10F4-5 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| 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 |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.3737 INCHES MINIMUM AND 0.3747 INCHES MAXIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.2497 INCHES MINIMUM AND 0.2507 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Flange Width | 0.0420 INCHES MINIMUM AND 0.0470 INCHES MAXIMUM IN |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP E4340 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 |
|---|---|
| GB10F4-5 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 3120-00-024-5950 is a Bushing,sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-024-5950 has 1 manufacturer part number on file: GB10F4-5 (Northrop Grumman Systems Corporation).
Key specifications for GB10F4-5: 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. 16 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.