PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83643-7Worm Shaft

Emerson Process Management Valve Automation, Inc. · NSN 3040-01-450-0189 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-450-0189 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-450-0189. Primary manufacturer part number: 83643-7.
Features
  • Worm Shaft — FSC 3040
  • Worm Thread Quantity: 1
  • Material: STEEL
  • Worm Thread Direction: RIGHT-HAND
  • 4 verified cross-references
  • Primary manufacturer: Emerson Process Management Valve Automation, Inc.
Applications
  • Applications requiring Steel construction
General Description

The Worm Shaft, cataloged under National Stock Number 3040-01-450-0189, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Emerson Process Management Valve Automation, Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-450-0189
Primary Part Number83643-7
Item NameWorm Shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerEmerson Process Management Valve Automation, Inc.
StatusACTIVE
Worm Thread Quantity1
MaterialSTEEL
Worm Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-285-8388 INTERCHANGEABLE
Seal,plain Encased
2910-01-060-997084032 INTERCHANGEABLE
Lever,inlet Valve
Mcculloch Corp
5325-01-240-071884032 INTERCHANGEABLE
Ring,retaining
Atwood Industries Inc Automotive Div
5962-01-263-5909 INTERCHANGEABLE
Microcircuit,digital
5962-01-316-3523 INTERCHANGEABLE
Microcircuit,digital
5977-01-416-7632840-3-2 INTERCHANGEABLE
Holder,cutter,ortho
Stryker Sales, Llc Div Stryker Instruments
3010-01-430-3888 INTERCHANGEABLE
Clutch,sliding Sleeve,nonvehicul
Cross-Reference Index
Part NumberManufacturer
83643-7 Emerson Process Management Valve Automation, Inc. (USA)
84032 Emerson Process Management Valve Automation, Inc. (USA)
84032 ITEM 24 Emerson Process Management Valve Automation, Inc. (USA)
P3643-7 Emerson Process Management Valve Automation, Inc. (USA)
Related Parts
5330-00-285-8388INTERCHANGEABLE
SEAL,PLAIN ENCASED
2910-01-060-9970INTERCHANGEABLE
LEVER,INLET VALVE
84032
5325-01-240-0718INTERCHANGEABLE
RING,RETAINING
84032
5962-01-263-5909INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-316-3523INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5977-01-416-7632INTERCHANGEABLE
HOLDER,CUTTER,ORTHO
840-3-2
3010-01-430-3888INTERCHANGEABLE
CLUTCH,SLIDING SLEEVE,NONVEHICUL

Frequently Asked Questions

What is NSN 3040-01-450-0189?

NSN 3040-01-450-0189 is a Worm Shaft, manufactured by Emerson Process Management Valve Automation, Inc., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-450-0189?

NSN 3040-01-450-0189 has 4 cross-referenced part numbers: 83643-7 (Emerson Process Management Valve Automation, Inc.), 84032 (Emerson Process Management Valve Automation, Inc.), 84032 ITEM 24 (Emerson Process Management Valve Automation, Inc.), P3643-7 (Emerson Process Management Valve Automation, Inc.).

What NSN replaces 3040-01-450-0189?

There are 7 known substitutes for 3040-01-450-0189: 5330-00-285-8388, 2910-01-060-9970, 5325-01-240-0718 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 83643-7?

Key specifications for 83643-7: Worm Thread Quantity: 1; Material: STEEL; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Worm Thread Direction: RIGHT-HAND. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com