The Bushing,sleeve, cataloged under National Stock Number 3120-01-239-9474, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Avalon Machine Products Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-239-9474 |
| Primary Part Number | 4M139CP5-17 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Avalon Machine Products Inc |
| Status | ACTIVE |
| Flange Outside Diameter | 0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.4391 INCHES MINIMUM AND 0.4396 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.3060 INCHES MINIMUM AND 0.3075 INCHES MAXIMUM IN |
| Flange Width | 0.0600 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN |
| Material | STEEL COMP 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 |
|---|---|
| 4M139CP5-17 | Avalon Machine Products Inc (USA) |
| 4M139CP5-17 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 4M139CP5-17 | All Power Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| 4M139CP5-17 | 5/2 Secondary reference U.S. Government activity |
| 4M139CP5-17 | 3/9 Design control — primary reference The Boeing Company Div Defense |
| 4M139CP5-17 | C/1 Advisory reference — outside the item-of-supply concept Mayday Manufacturing Co. |
NSN 3120-01-239-9474 is a Bushing,sleeve, manufactured by Avalon Machine Products Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-239-9474 has 3 manufacturer part numbers on file: 4M139CP5-17 (Avalon Machine Products Inc), 4M139CP5-17 (Reid Products Inc. Dba Reid Products Inc), 4M139CP5-17 (All Power Manufacturing Co.).
Key specifications for 4M139CP5-17: Flange Outside Diameter: 0.5520 INCHES MINIMUM AND 0.5720 INCHES MAXIMUM IN; Body Outside Diameter: 0.4391 INCHES MINIMUM AND 0.4396 INCHES MAXIMUM IN; Overall Length: 0.2250 INCHES MINIMUM AND 0.2370 INCHES MAXIMUM IN; Body Inside Diameter: 0.3060 INCHES MINIMUM AND 0.3075 INCHES MAXIMUM IN. 5 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.