The Bushing,sleeve, cataloged under National Stock Number 3120-01-063-4286, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Air Armament Center/ En. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-063-4286 |
| Primary Part Number | 757126 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Air Armament Center/ En |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Right Internal Flange Width | 0.4050 INCHES MINIMUM AND 0.4250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 0.5001 INCHES MINIMUM AND 0.5006 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.4320 INCHES MINIMUM AND 0.4420 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN |
| Right Internal Flange Hole Diameter | 0.2290 INCHES MINIMUM AND 0.2310 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Flange Width | 0.4100 INCHES NOMINAL IN |
| Material | STEEL COMP 303 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 |
|---|---|
| 757126 PRIMARY | Air Armament Center/ En (USA) |
| Reference | Meaning |
|---|---|
| 10107707 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3120-01-063-4286 is a Bushing,sleeve, manufactured by Air Armament Center/ En, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-063-4286 has 1 manufacturer part number on file: 757126 (Air Armament Center/ En).
Key specifications for 757126: Corner Shape: SQUARE ALL CORNERS; Right Internal Flange Width: 0.4050 INCHES MINIMUM AND 0.4250 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Outside Diameter: 0.5001 INCHES MINIMUM AND 0.5006 INCHES MAXIMUM IN. 12 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.