PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37221Housing,bearing Unit

New Venture Gear Inc New Process Gear Div · NSN 3130-00-734-7946 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-734-7946 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-734-7946. Primary manufacturer part number: 37221.
Features
  • Housing,bearing Unit — FSC 3130
  • Bore Diameter: 2.4350 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN
  • Mounting Hole Diameter: 0.4688 INCHES NOMINAL IN
  • Bolt Circle Diameter: 3.8125 INCHES NOMINAL IN
  • Housing Length: 0.9375 INCHES NOMINAL IN
  • Flange Thickness: 0.3750 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: New Venture Gear Inc New Process Gear Div
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Housing,bearing Unit, cataloged under National Stock Number 3130-00-734-7946, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Venture Gear Inc New Process Gear Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3130-00-734-7946
Primary Part Number37221
Item NameHousing,bearing Unit
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerNew Venture Gear Inc New Process Gear Div
StatusACTIVE
Bore Diameter2.4350 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN
Mounting Hole Diameter0.4688 INCHES NOMINAL IN
Bolt Circle Diameter3.8125 INCHES NOMINAL IN
Housing Length0.9375 INCHES NOMINAL IN
Flange Thickness0.3750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-193-021712Z400PC21 INTERCHANGEABLE
Terminal Board
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5110-00-233-9698 INTERCHANGEABLE
File,hand
Cross-Reference Index
Part NumberManufacturer
7347946 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
37221 PRIMARY New Venture Gear Inc New Process Gear Div (USA)
599465 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
5940-00-193-0217INTERCHANGEABLE
TERMINAL BOARD
12Z400PC21
5110-00-233-9698INTERCHANGEABLE
FILE,HAND

Frequently Asked Questions

What is NSN 3130-00-734-7946?

NSN 3130-00-734-7946 is a Housing,bearing Unit, manufactured by New Venture Gear Inc New Process Gear Div, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-00-734-7946?

NSN 3130-00-734-7946 has 3 cross-referenced part numbers: 7347946 (U S Army Tank Automotive Command Amsta-Im-Mm), 37221 (New Venture Gear Inc New Process Gear Div), 599465 (Chrysler Realty Company Llc Dba Daimler Chrysler).

What NSN replaces 3130-00-734-7946?

There are 2 known substitutes for 3130-00-734-7946: 5940-00-193-0217, 5110-00-233-9698. Verify interchangeability with system specifications before substitution.

What are the specifications of 37221?

Key specifications for 37221: Special Features: CAST IRON MS-420 76760 OVERALL; Bore Diameter: 2.4350 INCHES MINIMUM AND 2.4370 INCHES MAXIMUM IN; Mounting Hole Diameter: 0.4688 INCHES NOMINAL IN; Bolt Circle Diameter: 3.8125 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com