PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31137561Bearing,washer,thrust

Perkins Engines Inc · NSN 3120-01-284-3773 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-284-3773 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-284-3773. Primary manufacturer part number: 31137561.
Features
  • Bearing,washer,thrust — FSC 3120
  • 6 verified cross-references
  • Primary manufacturer: Perkins Engines Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-284-3773, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Perkins Engines Inc. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameBearing,washer,thrust
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersPerkins Engines Inc (CAGE 13446); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Tld Wollard Llc (CAGE 44185); Mitsubishi Caterpillar Forklift America, Inc (CAGE 78640)
Technical Specifications
ParameterValue
NSN3120-01-284-3773
Primary Part Number31137561
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerPerkins Engines Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6220-00-542-48983290-91 INTERCHANGEABLE
Panel,indicating,light Transmitt
Transicoil Llc Dba Ads Transicoil Div Transicoil
3110-01-228-75101395170 INTERCHANGEABLE
Bearing,ball,annular
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
2510-01-261-4066329091 INTERCHANGEABLE
Window,vehicular
Fwd Seagrave Holdings Lp
Cross-Reference Index
Part NumberManufacturer
31137561 PRIMARY Perkins Engines Inc (USA)
676873 Caterpillar Inc Div Caterpillar Defense (USA)
02/192084 Tld Wollard Llc (USA)
329091 PRIMARY Mitsubishi Caterpillar Forklift America, Inc (USA)
M31137561 Tld Wollard Llc (USA)
329091 Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
6220-00-542-4898INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
3290-91
3110-01-228-7510INTERCHANGEABLE
BEARING,BALL,ANNULAR
1395170
2510-01-261-4066INTERCHANGEABLE
WINDOW,VEHICULAR
329091

Frequently Asked Questions

What is NSN 3120-01-284-3773?

NSN 3120-01-284-3773 is a Bearing,washer,thrust, manufactured by Perkins Engines Inc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-01-284-3773?

NSN 3120-01-284-3773 has 6 cross-referenced part numbers: 31137561 (Perkins Engines Inc), 676873 (Caterpillar Inc Div Caterpillar Defense), 02/192084 (Tld Wollard Llc), 329091 (Mitsubishi Caterpillar Forklift America, Inc), M31137561 (Tld Wollard Llc) and 1 more.

What NSN replaces 3120-01-284-3773?

There are 3 known substitutes for 3120-01-284-3773: 6220-00-542-4898, 3110-01-228-7510, 2510-01-261-4066. Verify interchangeability with system specifications before substitution.

Is NSN 3120-01-284-3773 still in active supply?

NSN 3120-01-284-3773 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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