The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-189-7501, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3120-01-189-7501 |
| Primary Part Number | MS17811 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Overall Thickness | 0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN |
| Surface Finish | 16.0 MICROINCHES LEFT SIDE |
| Diameter | 0.3770 INCHES MINIMUM AND 0.3820 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Corner Shape | SQUARE ALL CORNERS |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Finish | 16.0 MICROINCHES RIGHT SIDE |
| Outside Diameter | 0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM OVERALL |
| Center Hole Shape Style | ROUND |
| Features Provided | CASEHARDENED |
| Material | STEEL COMP 1020 OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3120-01-189-7501 is a Bearing,washer,thrust, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3120 (No Item Name Available). Status: cancelled.
NSN 3120-01-189-7501 has 2 cross-referenced part numbers: MS17811 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS17811-5 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 3120-01-189-7501: 3120-00-100-6354, 3120-00-102-7612, 3120-00-111-0711 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS17811: Overall Thickness: 0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN; Surface Finish: 16.0 MICROINCHES LEFT SIDE; Diameter: 0.3770 INCHES MINIMUM AND 0.3820 INCHES MAXIMUM IN; Style Designator: ROUND. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 3120-01-189-7501 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.