The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-280-6936, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-280-6936 |
| Primary Part Number | C135798-1 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OVERALL |
| Corner Shape | SQUARE SECOND OUTSIDE CORNER |
| Corner Shape | SQUARE FIRST OUTSIDE CORNER |
| Corner Shape | CHAMFERED FIRST INSIDE CORNER |
| Corner Shape | SQUARE SECOND INSIDE CORNER |
| Overall Thickness | 0.2500 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 5.0000 INCHES MINIMUM AND 5.0200 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 6.0000 INCHES NOMINAL IN |
| Material | COPPER ALLOY 932 OVERALL |
| 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 |
|---|---|
| C135798-1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| C135798-1 | 5/9 Secondary reference Lockheed Martin Sippican, Inc. Div Communication Division |
NSN 3120-01-280-6936 is a Bearing,washer,thrust, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-280-6936 has 1 manufacturer part number on file: C135798-1 (Lockheed Martin Corporation Div Rms).
Key specifications for C135798-1: Surface Finish: 63.0 MICROINCHES OVERALL; Corner Shape: SQUARE SECOND OUTSIDE CORNER; Corner Shape: SQUARE FIRST OUTSIDE CORNER; Corner Shape: CHAMFERED FIRST INSIDE CORNER. 13 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.