The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-983-0770, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3120-00-983-0770 |
| Primary Part Number | 104B420 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Cummins Power Generation Inc. |
| Status | CANCELLED |
| Lubrication Feature | GROOVE FLAT BEARING SURFACE |
| Material | COPPER ALLOY OUTER LAYER |
| Material | STEEL COMP 1010 OR STEEL COMP 1015 INNER LAYER |
| Material Document and Classification | SAE J4600 COMP 794 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | ROUND W/KEYWAYS |
| Corner Shape | SQUARE ALL CORNERS |
| Washer Keyway Depth | 0.1560 INCHES NOMINAL IN |
| Outside Diameter | 3.1250 INCHES NOMINAL IN |
| Overall Thickness | 0.0940 INCHES NOMINAL IN |
| Center Hole Shape Style | ROUND |
| Cross-Sectional Shape Style | RECTANGULAR |
| Diameter | 2.4680 INCHES NOMINAL IN |
| Keyway Quantity | 3 |
| Keyway Radius | 0.1560 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3120-00-983-0770 is a Bearing,washer,thrust, manufactured by Cummins Power Generation Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.
NSN 3120-00-983-0770 has 3 cross-referenced part numbers: 104-0420 (Lee Associates Ltd), 104B420 (Cummins Power Generation Inc.), 104B240 (Cummins Power Generation Inc.).
There are 3 known substitutes for 3120-00-983-0770: 4730-00-196-0905, 5950-00-642-3578, 3120-00-868-6241. Verify interchangeability with system specifications before substitution.
Key specifications for 104B420: Lubrication Feature: GROOVE FLAT BEARING SURFACE; Material: COPPER ALLOY OUTER LAYER; Material: STEEL COMP 1010 OR STEEL COMP 1015 INNER LAYER; Material Document and Classification: SAE J4600 COMP 794 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 3120-00-983-0770 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.