PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11656985Bearing,washer,thrust

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3120-00-661-3266 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-3266 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-3266. Primary manufacturer part number: 11656985.
Features
  • Bearing,washer,thrust — FSC 3120
  • Overall Thickness: 0.2240 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: COUNTERBORED
  • Style Designator: ROUND
  • Diameter: 1.8760 INCHES MINIMUM AND 1.8820 INCHES MAXIMUM IN
  • Counterbore Diameter: 2.1880 INCHES NOMINAL IN
  • Outside Diameter: 2.6250 INCHES NOMINAL IN
  • Surface Condition: GROUND
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 3120-00-661-3266, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-661-3266
Primary Part Number11656985
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Overall Thickness0.2240 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM IN
Cross-Sectional Shape StyleCOUNTERBORED
Style DesignatorROUND
Diameter1.8760 INCHES MINIMUM AND 1.8820 INCHES MAXIMUM IN
Counterbore Diameter2.1880 INCHES NOMINAL IN
Outside Diameter2.6250 INCHES NOMINAL IN
Surface ConditionGROUND
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6145-00-023-433711449005-3 INTERCHANGEABLE
Braid,wire
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
11656985 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
71842R1 Navistar Intl Corp Truck Br Ohio Plant (USA)
71842R1 Navistar International Corporation Dba Navistar (USA)
71842R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
T98-63 Borg-Warner Corp (USA)
T98-63 Liberty Ventures Inti, Llc (USA)
912332 PRIMARY Am General Llc (USA)
Related Parts
6145-00-023-4337INTERCHANGEABLE
BRAID,WIRE
11449005-3

Frequently Asked Questions

What is NSN 3120-00-661-3266?

NSN 3120-00-661-3266 is a Bearing,washer,thrust, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-661-3266?

NSN 3120-00-661-3266 has 7 cross-referenced part numbers: 11656985 (U S Army Tank Automotive Command Amsta-Im-Mm), 71842R1 (Navistar Intl Corp Truck Br Ohio Plant), 71842R1 (Navistar International Corporation Dba Navistar), 71842R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), T98-63 (Borg-Warner Corp) and 2 more.

What NSN replaces 3120-00-661-3266?

There is 1 known substitute for 3120-00-661-3266: 6145-00-023-4337. Verify interchangeability with system specifications before substitution.

What are the specifications of 11656985?

Key specifications for 11656985: Overall Thickness: 0.2240 INCHES MINIMUM AND 0.2440 INCHES MAXIMUM IN; Cross-Sectional Shape Style: COUNTERBORED; Style Designator: ROUND; Diameter: 1.8760 INCHES MINIMUM AND 1.8820 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-661-3266 still in active supply?

NSN 3120-00-661-3266 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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