The Bearing,sleeve, cataloged under National Stock Number 3120-00-151-4837, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-151-4837 |
| Primary Part Number | GB528H5A9 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Timken Co Div the Timken Company |
| 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 |
| Flange Outside Diameter | 0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5027 INCHES MINIMUM AND 0.5032 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.3133 INCHES MINIMUM AND 0.3143 INCHES MAXIMUM IN |
| Flange Width | 0.0550 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN |
| 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 |
|---|---|
| GB528H5A9 PRIMARY | Timken Co Div the Timken Company (USA) |
| GB528H5A9 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| FBJ10TF16B9Z PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| DBAF-5-172 | 5/1 Secondary reference U.S. Government activity |
| ADF05-101 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
| FBJ10TF16B9Z | 5/9 Secondary reference Timken Co Div the Timken Company |
| GB528H5A9 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 3120-00-151-4837 is a Bearing,sleeve, manufactured by Timken Co Div the Timken Company, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-151-4837 has 3 manufacturer part numbers on file: GB528H5A9 (Timken Co Div the Timken Company), GB528H5A9 (New Hampshire Ball Bearings Inc Div Astro Division), FBJ10TF16B9Z (Rbc Aircraft Products, Inc.).
Key specifications for GB528H5A9: 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. 11 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.