The Bearing Unit,ball, cataloged under National Stock Number 3130-01-228-7737, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-228-7737 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Assembly Overall Length | 0.775 INCHES MINIMUM AND 0.789 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Internal Fit-Up Designation | STANDARD |
| Rotating Element Locking Method | STRAIGHT SLEEVE |
| Block Type | FIXED |
| Style Designator | CYLINDRICAL CARTRIDGE |
| Alignment Type | RIGID |
| Rolling Element Groove Quantity | 2 |
| Surface Treatment | CADMIUM OVERALL |
| Bore Diameter | 3.2540 INCHES MINIMUM AND 3.2560 INCHES MAXIMUM IN |
| Material | STEEL COMP 4340 OVERALL |
| Housing Length | 0.950 INCHES NOMINAL IN |
| Housing Diameter | 8.9965 INCHES NOMINAL IN |
| Load Capability Type | RADIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1244591-101 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 1244591-101 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
NSN 3130-01-228-7737 is a Bearing Unit,ball, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-228-7737: Assembly Overall Length: 0.775 INCHES MINIMUM AND 0.789 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Internal Fit-Up Designation: STANDARD; Rotating Element Locking Method: STRAIGHT SLEEVE. 14 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.