The Bearing,sleeve, cataloged under National Stock Number 3120-01-528-7129, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Maryland Metrics. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-528-7129 |
| Primary Part Number | 1850VC25X32X20 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Maryland Metrics |
| Status | ACTIVE |
| Flange Outside Diameter | 39.0 MILLIMETERS NOMINAL MM |
| Body Outside Diameter | 32.0 MILLIMETERS NOMINAL MM |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END |
| Body Inside Diameter | 25.0 MILLIMETERS NOMINAL MM |
| Flange Width | 3.5 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 1850VC25X32X20 PRIMARY | Maryland Metrics (USA) |
| Reference | Meaning |
|---|---|
| C25X32X20 | 5/9 Secondary reference Maryland Metrics |
| PL20816400 ITEM 14 | 5/2 Secondary reference U.S. Government activity |
| 18619714 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-528-7129 is a Bearing,sleeve, manufactured by Maryland Metrics, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-528-7129 has 1 manufacturer part number on file: 1850VC25X32X20 (Maryland Metrics).
Key specifications for 1850VC25X32X20: Flange Outside Diameter: 39.0 MILLIMETERS NOMINAL MM; Body Outside Diameter: 32.0 MILLIMETERS NOMINAL MM; Style Designator: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END; Overall Length: 20.0 MILLIMETERS NOMINAL MM. 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.