PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23-63Shaft,shouldered

Winsmith Div Umc Industries Inc · NSN 3040-00-800-3346 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-800-3346 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-800-3346. Primary manufacturer part number: 23-63.
Features
  • Shaft,shouldered — FSC 3040
  • End Similarity: NOT IDENTICAL
  • Largest Step Diameter: 0.750 INCHES NOMINAL IN
  • Step Quantity: 3
  • External Keyway Length: 1.250 INCHES NOMINAL SECOND END IN
  • External Keyway Length: 1.250 INCHES NOMINAL FIRST END IN
  • First End Keyway Depth: 0.108 INCHES NOMINAL IN
  • Material: STEEL
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-800-3346, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Winsmith Div Umc Industries Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-800-3346
Primary Part Number23-63
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerWinsmith Div Umc Industries Inc
StatusACTIVE
End SimilarityNOT IDENTICAL
Largest Step Diameter0.750 INCHES NOMINAL IN
Step Quantity3
External Keyway Length1.250 INCHES NOMINAL SECOND END IN
External Keyway Length1.250 INCHES NOMINAL FIRST END IN
First End Keyway Depth0.108 INCHES NOMINAL IN
MaterialSTEEL
First End Keyway Width0.1875 INCHES NOMINAL IN
Second End Keyway Width0.1875 INCHES NOMINAL IN
Second End Keyway Depth0.118 INCHES NOMINAL IN
Second End Diameter0.7480 INCHES NOMINAL IN
First End Diameter0.7480 INCHES NOMINAL IN
First End StyleFLAT KEYWAY
Second End StyleFLAT KEYWAY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4720-00-268-64513-1664-18-XR INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
5985-00-931-495861335PT500 INTERCHANGEABLE
Waveguide Assembly
Instruments and Flight Research, Inc.
4820-01-032-73912363 INTERCHANGEABLE
Disk,valve
Imi Cash Valve Inc
5310-01-045-92502363 INTERCHANGEABLE
Washer
Clayton Manufacturing Company
5310-01-093-7193A2363 INTERCHANGEABLE
Washer,flat
Hunt Valve Company, Inc.
9540-01-209-958560-223 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
2520-01-330-3696 INTERCHANGEABLE
Kit,differential Lock Actuator
5330-01-462-75542-363 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corp Div O-Ring Division
1005-01-576-77722363 INTERCHANGEABLE
Feeder,ammunition,machine Gun-Au
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
23-63 Winsmith Div Umc Industries Inc (USA)
2CTSGLEXT Winsmith Div Umc Industries Inc (USA)
A23-63 Winsmith Div Umc Industries Inc (USA)
Related Parts
4720-00-268-6451INTERCHANGEABLE
HOSE,AIR DUCT
3-1664-18-XR
5985-00-931-4958INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
61335PT500
4820-01-032-7391INTERCHANGEABLE
DISK,VALVE
2363
5310-01-045-9250INTERCHANGEABLE
WASHER
2363
5310-01-093-7193INTERCHANGEABLE
WASHER,FLAT
A2363
9540-01-209-9585INTERCHANGEABLE
ANGLE,STRUCTURAL
60-223
2520-01-330-3696INTERCHANGEABLE
KIT,DIFFERENTIAL LOCK ACTUATOR
5330-01-462-7554INTERCHANGEABLE
PACKING,PREFORMED
2-363
1005-01-576-7772INTERCHANGEABLE
FEEDER,AMMUNITION,MACHINE GUN-AU
2363

Frequently Asked Questions

What is NSN 3040-00-800-3346?

NSN 3040-00-800-3346 is a Shaft,shouldered, manufactured by Winsmith Div Umc Industries Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-800-3346?

NSN 3040-00-800-3346 has 3 cross-referenced part numbers: 23-63 (Winsmith Div Umc Industries Inc), 2CTSGLEXT (Winsmith Div Umc Industries Inc), A23-63 (Winsmith Div Umc Industries Inc).

What NSN replaces 3040-00-800-3346?

There are 9 known substitutes for 3040-00-800-3346: 4720-00-268-6451, 5985-00-931-4958, 4820-01-032-7391 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23-63?

Key specifications for 23-63: Overall Length: 7.438 INCHES NOMINAL IN; End Similarity: NOT IDENTICAL; Largest Step Diameter: 0.750 INCHES NOMINAL IN; Step Quantity: 3. 15 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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