PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SC-B-69643Hub,body

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3040-00-392-9523 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-392-9523 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-392-9523. Primary manufacturer part number: SC-B-69643.
Features
  • Hub,body — FSC 3040
  • Distance From Second End Hub to Shoulder: 0.062 INCHES NOMINAL IN
  • Material: STEEL
  • Material Document and Classification: COMP 303 FED SPEC SINGLE MATERIAL RESPONSE
  • Shoulder Width: 0.344 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE
  • Style Designator: DOUBLE HUB W/ SECRING HOLE(S)
  • Distance From First End Hub to Shoulder: 0.181 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Hub,body, cataloged under National Stock Number 3040-00-392-9523, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-392-9523
Primary Part NumberSC-B-69643
Item NameHub,body
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Distance From Second End Hub to Shoulder0.062 INCHES NOMINAL IN
MaterialSTEEL
Material Document and ClassificationCOMP 303 FED SPEC SINGLE MATERIAL RESPONSE
Shoulder Width0.344 INCHES NOMINAL IN
Surface TreatmentPASSIVATE
Style DesignatorDOUBLE HUB W/ SECRING HOLE(S)
Distance From First End Hub to Shoulder0.181 INCHES NOMINAL IN
Hub Inside Diameter0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Shoulder Outside Diameter0.625 INCHES NOMINAL IN
First End Hub Outside Diameter0.372 INCHES NOMINAL IN
Second End Hub Outside Diameter0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5331-00-073-815851668 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div Hydraulic Systems Division
6105-00-128-188551668-02 INTERCHANGEABLE
Motor-Tachometer Generator
Cae Inc
3110-00-128-766151668 INTERCHANGEABLE
Bearing,roller
Eaton Aerospace, Llc Dba Jackson South
5210-00-221-1948T436FL-6 INTERCHANGEABLE
Caliper,micrometer,outside
L.s. Starrett Company (the) Div Tool Division
2590-01-049-709851668 INTERCHANGEABLE
Primary Planet Assy
Paccar Winch Inc Dba Paccar Winch Division
4330-01-210-587851668 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
51668 Kleinschmidt Inc (USA)
SC-B-69643 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5331-00-073-8158INTERCHANGEABLE
O-RING
51668
6105-00-128-1885INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
51668-02
3110-00-128-7661INTERCHANGEABLE
BEARING,ROLLER
51668
5210-00-221-1948INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
T436FL-6
2590-01-049-7098INTERCHANGEABLE
PRIMARY PLANET ASSY
51668
4330-01-210-5878INTERCHANGEABLE
FILTER ELEMENT,FLUID
51668

Frequently Asked Questions

What is NSN 3040-00-392-9523?

NSN 3040-00-392-9523 is a Hub,body, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-392-9523?

NSN 3040-00-392-9523 has 2 cross-referenced part numbers: 51668 (Kleinschmidt Inc), SC-B-69643 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 3040-00-392-9523?

There are 6 known substitutes for 3040-00-392-9523: 5331-00-073-8158, 6105-00-128-1885, 3110-00-128-7661 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SC-B-69643?

Key specifications for SC-B-69643: Distance From Second End Hub to Shoulder: 0.062 INCHES NOMINAL IN; Material: STEEL; Material Document and Classification: COMP 303 FED SPEC SINGLE MATERIAL RESPONSE; Shoulder Width: 0.344 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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