PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21640Worm Shaft

Tulsa Winch, Inc. · NSN 3040-01-294-3267 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-294-3267 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-294-3267. Primary manufacturer part number: 21640.
Features
  • Worm Shaft — FSC 3040
  • Worm Thread Direction: LEFT-HAND
  • Worm Thread Quantity: 1
  • 1 verified cross-reference
  • Primary manufacturer: Tulsa Winch, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Worm Shaft, cataloged under National Stock Number 3040-01-294-3267, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Tulsa Winch, Inc.. Government technical data includes 2 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-294-3267
Primary Part Number21640
Item NameWorm Shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerTulsa Winch, Inc.
StatusACTIVE
Worm Thread DirectionLEFT-HAND
Worm Thread Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-209-5116 INTERCHANGEABLE
Washer,lock
5355-00-604-37401168879 INTERCHANGEABLE
Knob
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-736-925621640 INTERCHANGEABLE
Packing Nut
Schneider Electric Systems Usa Inc
5330-01-255-0136638-05-508-0008 INTERCHANGEABLE
Seal,plain
Renold Inc Div Ajax
5330-01-328-432721640 INTERCHANGEABLE
Retainer,packing
Parker Hannifin Corporation Div Hydraulic Systems Division
5930-01-674-567021-640 INTERCHANGEABLE
Switch,centrifugal
Pollak Joseph Corp
Cross-Reference Index
Part NumberManufacturer
21640 Tulsa Winch, Inc. (USA)
Related Parts
5310-00-209-5116INTERCHANGEABLE
WASHER,LOCK
5355-00-604-3740INTERCHANGEABLE
KNOB
1168879
4730-00-736-9256INTERCHANGEABLE
PACKING NUT
21640
5330-01-255-0136INTERCHANGEABLE
SEAL,PLAIN
638-05-508-0008
5330-01-328-4327INTERCHANGEABLE
RETAINER,PACKING
21640
5930-01-674-5670INTERCHANGEABLE
SWITCH,CENTRIFUGAL
21-640

Frequently Asked Questions

What is NSN 3040-01-294-3267?

NSN 3040-01-294-3267 is a Worm Shaft, manufactured by Tulsa Winch, Inc., classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-294-3267?

NSN 3040-01-294-3267 has 1 cross-referenced part number: 21640 (Tulsa Winch, Inc.).

What NSN replaces 3040-01-294-3267?

There are 6 known substitutes for 3040-01-294-3267: 5310-00-209-5116, 5355-00-604-3740, 4730-00-736-9256 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21640?

Key specifications for 21640: Worm Thread Direction: LEFT-HAND; Worm Thread Quantity: 1. 2 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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