PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BH4Hub,body

Roller Bearing Co of America, Inc Div Pic Design · NSN 3040-01-089-3401 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-089-3401 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-089-3401. Primary manufacturer part number: BH4.
Features
  • Hub,body — FSC 3040
  • Hub Inside Diameter: 0.125 INCHES NOMINAL IN
  • Shoulder Outside Diameter: 0.438 INCHES NOMINAL IN
  • Distance From First End Hub to Shoulder: 0.125 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE
  • First End Hub Outside Diameter: 0.375 INCHES NOMINAL IN
  • Material Document and Classification: COMP 303 FED SPEC SINGLE MATERIAL RESPONSE
  • Shoulder Width: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Hub,body, cataloged under National Stock Number 3040-01-089-3401, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 9 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-089-3401
Primary Part NumberBH4
Item NameHub,body
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Hub Inside Diameter0.125 INCHES NOMINAL IN
Shoulder Outside Diameter0.438 INCHES NOMINAL IN
Distance From First End Hub to Shoulder0.125 INCHES NOMINAL IN
Surface TreatmentPASSIVATE
First End Hub Outside Diameter0.375 INCHES NOMINAL IN
Material Document and ClassificationCOMP 303 FED SPEC SINGLE MATERIAL RESPONSE
Shoulder Width0.250 INCHES NOMINAL IN
MaterialSTEEL
Style DesignatorDOUBLE HUB W/ SECRING HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3040-00-377-6787 INTERCHANGEABLE
Shaft,straight
5975-00-927-8903GH101 INTERCHANGEABLE
Clamp Hotline
Fargo Mfg Co Inc
4520-01-253-8531BH4 INTERCHANGEABLE
Heating Element,electrical,nonim
Fleetheet Llc Dba Five Star Manufacturing
Cross-Reference Index
Part NumberManufacturer
BH4 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
Related Parts
3040-00-377-6787INTERCHANGEABLE
SHAFT,STRAIGHT
5975-00-927-8903INTERCHANGEABLE
CLAMP HOTLINE
GH101
4520-01-253-8531INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
BH4

Frequently Asked Questions

What is NSN 3040-01-089-3401?

NSN 3040-01-089-3401 is a Hub,body, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-089-3401?

NSN 3040-01-089-3401 has 1 cross-referenced part number: BH4 (Roller Bearing Co of America, Inc Div Pic Design).

What NSN replaces 3040-01-089-3401?

There are 3 known substitutes for 3040-01-089-3401: 3040-00-377-6787, 5975-00-927-8903, 4520-01-253-8531. Verify interchangeability with system specifications before substitution.

What are the specifications of BH4?

Key specifications for BH4: Hub Inside Diameter: 0.125 INCHES NOMINAL IN; Shoulder Outside Diameter: 0.438 INCHES NOMINAL IN; Distance From First End Hub to Shoulder: 0.125 INCHES NOMINAL IN; Surface Treatment: PASSIVATE. 10 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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