PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E63-6Hub,body

Designatronics Incorporated Div Sterling Instruments Div · NSN 3040-00-887-8989 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-887-8989 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-887-8989. Primary manufacturer part number: E63-6.
Features
  • Hub,body — FSC 3040
  • Shoulder Outside Diameter: 0.500 INCHES NOMINAL IN
  • First End Hub Outside Diameter: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Style Designator: DOUBLE HUB, SPLIT AND SOLID
  • Material Document and Classification: COMP 303 FED SPEC SINGLE MATERIAL RESPONSE
  • Distance From Second End Hub to Shoulder: 0.125 INCHES NOMINAL IN
  • Hub Inside Diameter: 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE
Applications
  • Applications requiring Steel construction
General Description

The Hub,body, cataloged under National Stock Number 3040-00-887-8989, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. Government technical data includes 11 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
NSN3040-00-887-8989
Primary Part NumberE63-6
Item NameHub,body
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusACTIVE
Shoulder Outside Diameter0.500 INCHES NOMINAL IN
First End Hub Outside Diameter0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Style DesignatorDOUBLE HUB, SPLIT AND SOLID
Material Document and ClassificationCOMP 303 FED SPEC SINGLE MATERIAL RESPONSE
Distance From Second End Hub to Shoulder0.125 INCHES NOMINAL IN
Hub Inside Diameter0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE
Second End Hub Outside Diameter0.3750 INCHES MINIMUM AND 0.3753 INCHES MAXIMUM IN
Distance From First End Hub to Shoulder0.250 INCHES NOMINAL IN
Shoulder Width0.031 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5365-01-263-4277E636 INTERCHANGEABLE
Ring,externally Threaded
Crane Co Div Valve Div
6105-01-363-8991E9019 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
6550-01-559-0689E636 INTERCHANGEABLE
Dimethyl-1-Naphthylamine
Amresco Inc.
Cross-Reference Index
Part NumberManufacturer
E63-6 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
5365-01-263-4277INTERCHANGEABLE
RING,EXTERNALLY THREADED
E636
6105-01-363-8991INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E9019
6550-01-559-0689INTERCHANGEABLE
DIMETHYL-1-NAPHTHYLAMINE
E636

Frequently Asked Questions

What is NSN 3040-00-887-8989?

NSN 3040-00-887-8989 is a Hub,body, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-887-8989?

NSN 3040-00-887-8989 has 1 cross-referenced part number: E63-6 (Designatronics Incorporated Div Sterling Instruments Div).

What NSN replaces 3040-00-887-8989?

There are 3 known substitutes for 3040-00-887-8989: 5365-01-263-4277, 6105-01-363-8991, 6550-01-559-0689. Verify interchangeability with system specifications before substitution.

What are the specifications of E63-6?

Key specifications for E63-6: Shoulder Outside Diameter: 0.500 INCHES NOMINAL IN; First End Hub Outside Diameter: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Style Designator: DOUBLE HUB, SPLIT AND SOLID; Material Document and Classification: COMP 303 FED SPEC SINGLE MATERIAL RESPONSE. 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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