PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14-207Support,rear Bearing

Buffalo Turbine Defense Llc · NSN 4140-00-570-3431 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-570-3431 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-570-3431. Primary manufacturer part number: 14-207.
Features
  • Support,rear Bearing — FSC 4140
  • General Characteristics Item Description: ALUMINUM,3.000 IN. LG,TWO 0.185 IN. DIA HOLES IN
  • 1 verified cross-reference
  • Primary manufacturer: Buffalo Turbine Defense Llc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Support,rear Bearing, cataloged under National Stock Number 4140-00-570-3431, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Buffalo Turbine Defense Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-570-3431
Primary Part Number14-207
Item NameSupport,rear Bearing
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerBuffalo Turbine Defense Llc
StatusACTIVE
General Characteristics Item DescriptionALUMINUM,3.000 IN. LG,TWO 0.185 IN. DIA HOLES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-071-88630142070000 INTERCHANGEABLE
Seal,piston
Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
5962-00-138-524714207 INTERCHANGEABLE
Microcircuit,linear
Astronautics Corporation of America
5310-00-448-6646A14207 INTERCHANGEABLE
Washer,key
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2540-00-706-96617069661 INTERCHANGEABLE
Rail
U S Army Tank Automotive Command Amsta-Im-Mm
5930-01-154-6300 INTERCHANGEABLE
Switch,push
3040-01-226-46801540619A32 INTERCHANGEABLE
Housing,rear
Prestolite Electric Inc
5305-01-556-661714207 INTERCHANGEABLE
Screw,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
14-207 PRIMARY Buffalo Turbine Defense Llc (USA)
Related Parts
5330-00-071-8863INTERCHANGEABLE
SEAL,PISTON
0142070000
5962-00-138-5247INTERCHANGEABLE
MICROCIRCUIT,LINEAR
14207
5310-00-448-6646INTERCHANGEABLE
WASHER,KEY
A14207
2540-00-706-9661INTERCHANGEABLE
RAIL
7069661
5930-01-154-6300INTERCHANGEABLE
SWITCH,PUSH
3040-01-226-4680INTERCHANGEABLE
HOUSING,REAR
1540619A32
5305-01-556-6617INTERCHANGEABLE
SCREW,MACHINE
14207

Frequently Asked Questions

What is NSN 4140-00-570-3431?

NSN 4140-00-570-3431 is a Support,rear Bearing, manufactured by Buffalo Turbine Defense Llc, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-570-3431?

NSN 4140-00-570-3431 has 1 cross-referenced part number: 14-207 (Buffalo Turbine Defense Llc).

What NSN replaces 4140-00-570-3431?

There are 7 known substitutes for 4140-00-570-3431: 5330-00-071-8863, 5962-00-138-5247, 5310-00-448-6646 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14-207?

Key specifications for 14-207: General Characteristics Item Description: ALUMINUM,3.000 IN. LG,TWO 0.185 IN. DIA HOLES IN. 1 total characteristics are documented in the Federal Logistics Information System.

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