The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-044-6637, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-044-6637 |
| Primary Part Number | RE-B102158 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Corner Shape | SQUARE SECOND OUTSIDE CORNER |
| Corner Shape | SQUARE FOURTH OUTSIDE CORNER |
| Corner Shape | SQUARE FIRST OUTSIDE CORNER |
| Corner Shape | SQUARE THIRD OUTSIDE CORNER |
| Corner Shape | SQUARE FIRST INSIDE CORNER |
| Corner Shape | SQUARE SECOND INSIDE CORNER |
| Overall Thickness | 0.4531 INCHES MINIMUM AND 0.4844 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Diameter | 2.0030 INCHES MINIMUM AND 2.0040 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SHOULDERED |
| Outside Diameter | 2.8594 INCHES MINIMUM AND 2.8906 INCHES MAXIMUM IN |
| Center Hole Shape Style | ROUND |
| 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 |
|---|---|
| RE-B102158 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| ASC1101651 | 5/9 Secondary reference Asc Pty Ltd |
| B102158 | 5/1 Secondary reference Lockheed Martin Sippican, Inc. Div Communication Division |
| RE-B102158 | 5/1 Secondary reference Lockheed Martin Sippican, Inc. Div Communication Division |
NSN 3120-01-044-6637 is a Bearing,washer,thrust, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-044-6637 has 1 manufacturer part number on file: RE-B102158 (Naval Sea Systems Command).
Key specifications for RE-B102158: Corner Shape: SQUARE SECOND OUTSIDE CORNER; Corner Shape: SQUARE FOURTH OUTSIDE CORNER; Corner Shape: SQUARE FIRST OUTSIDE CORNER; Corner Shape: SQUARE THIRD OUTSIDE CORNER. 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.