PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K2-5Hub,body

Roller Bearing Co of America, Inc Div Pic Design · NSN 3040-00-739-1594 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-739-1594 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-739-1594. Primary manufacturer part number: K2-5.
Features
  • Hub,body — FSC 3040
  • Material: STEEL
  • Distance From First End Hub to Shoulder: 0.250 INCHES NOMINAL IN
  • Style Designator: DOUBLE HUB, SPLIT AND SOLID
  • Distance From Second End Hub to Shoulder: 0.062 INCHES NOMINAL IN
  • Shoulder Outside Diameter: 0.500 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE
  • Material Document and Classification: COMP 303S OR 303SE FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Steel construction
General Description

The Hub,body, cataloged under National Stock Number 3040-00-739-1594, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-739-1594
Primary Part NumberK2-5
Item NameHub,body
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
MaterialSTEEL
Distance From First End Hub to Shoulder0.250 INCHES NOMINAL IN
Style DesignatorDOUBLE HUB, SPLIT AND SOLID
Distance From Second End Hub to Shoulder0.062 INCHES NOMINAL IN
Shoulder Outside Diameter0.500 INCHES NOMINAL IN
Surface TreatmentPASSIVATE
Material Document and ClassificationCOMP 303S OR 303SE FED SPEC SINGLE MATERIAL RESPONSE
First End Hub Outside Diameter0.209 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Second End Hub Outside Diameter0.3750 INCHES MINIMUM AND 0.3753 INCHES MAXIMUM IN
Shoulder Width0.031 INCHES NOMINAL IN
Hub Inside Diameter0.249 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-279-6365 INTERCHANGEABLE
Resistor,adjustable
5905-00-284-33380366-50P0RM5 INTERCHANGEABLE
Resistor,adjustable
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
3460-00-322-5934SXF39 INTERCHANGEABLE
Wheel,abrasive
Regis Manufacturing Company
4330-00-443-0015K25 INTERCHANGEABLE
Filter Element,fluid
Schroeder Industries Llc
5950-00-468-4898K25ALT2 INTERCHANGEABLE
Coil,electrical
The Dewey Electronics Corporation Div Pitometer Log Division
6515-00-562-8308 INTERCHANGEABLE
Tubing,oxygen Connector
5961-00-824-3704 INTERCHANGEABLE
Semiconductor Devices,unitized
4320-00-834-5220 INTERCHANGEABLE
Pump,rotary
6515-00-888-60941PI-7007 INTERCHANGEABLE
Tubing,inhalation Therapy
Ipi Medical Products
5315-01-226-1735K 25 KEY INTERCHANGEABLE
Key
Emerson Electric Co Browning Mfg Div
Cross-Reference Index
Part NumberManufacturer
XHC13 Secs Inc (USA)
K2-5 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
E63-5 Designatronics Incorporated Div Sterling Instruments Div (USA)
723899-697 Raytheon Company Div Rmd Strategic (USA)
Related Parts
5905-00-279-6365INTERCHANGEABLE
RESISTOR,ADJUSTABLE
5905-00-284-3338INTERCHANGEABLE
RESISTOR,ADJUSTABLE
0366-50P0RM5
3460-00-322-5934INTERCHANGEABLE
WHEEL,ABRASIVE
SXF39
4330-00-443-0015INTERCHANGEABLE
FILTER ELEMENT,FLUID
K25
5950-00-468-4898INTERCHANGEABLE
COIL,ELECTRICAL
K25ALT2
6515-00-562-8308INTERCHANGEABLE
TUBING,OXYGEN CONNECTOR
5961-00-824-3704INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
4320-00-834-5220INTERCHANGEABLE
PUMP,ROTARY
6515-00-888-6094INTERCHANGEABLE
TUBING,INHALATION THERAPY
1PI-7007
5315-01-226-1735INTERCHANGEABLE
KEY
K 25 KEY
5120-01-243-9273INTERCHANGEABLE
KNIFE,PUTTY
K-21
5315-01-277-0894INTERCHANGEABLE
KEY,WOODRUFF
K25

Frequently Asked Questions

What is NSN 3040-00-739-1594?

NSN 3040-00-739-1594 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 3040-00-739-1594?

NSN 3040-00-739-1594 has 4 cross-referenced part numbers: XHC13 (Secs Inc), K2-5 (Roller Bearing Co of America, Inc Div Pic Design), E63-5 (Designatronics Incorporated Div Sterling Instruments Div), 723899-697 (Raytheon Company Div Rmd Strategic).

What NSN replaces 3040-00-739-1594?

There are 12 known substitutes for 3040-00-739-1594: 5905-00-279-6365, 5905-00-284-3338, 3460-00-322-5934 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K2-5?

Key specifications for K2-5: Material: STEEL; Distance From First End Hub to Shoulder: 0.250 INCHES NOMINAL IN; Style Designator: DOUBLE HUB, SPLIT AND SOLID; Distance From Second End Hub to Shoulder: 0.062 INCHES NOMINAL IN. 12 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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