PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21642Gear,helical

Tulsa Winch, Inc. · NSN 3020-01-294-3240 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-294-3240 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-294-3240. Primary manufacturer part number: 21642.
Features
  • Gear,helical — FSC 3020
  • Material: STEEL OVERALL
  • Tooth Direction: LEFT
  • 1 verified cross-reference
  • Primary manufacturer: Tulsa Winch, Inc.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-01-294-3240, is classified within Federal Supply Class 3020 (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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-294-3240
Primary Part Number21642
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTulsa Winch, Inc.
StatusACTIVE
MaterialSTEEL OVERALL
Tooth DirectionLEFT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6240-00-027-260387-0770 INTERCHANGEABLE
Lamp,incandescent
Finnigan Corporation
6610-00-544-555021642 INTERCHANGEABLE
Shell Assy
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5330-00-839-239921642 INTERCHANGEABLE
Packing,preformed
Schneider Electric Systems Usa Inc
2910-01-118-218021674 INTERCHANGEABLE
Clamp,filter
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4820-01-163-46787-113100214-3 INTERCHANGEABLE
Valve,relief,pressure and Temper
The Boeing Company Div Services
4310-01-278-2015216-42 INTERCHANGEABLE
Compressor,reciprocating
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4820-01-296-702021642 INTERCHANGEABLE
Disk,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
1650-01-327-395721642 INTERCHANGEABLE
Pad,hanger Arm
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
21642 PRIMARY Tulsa Winch, Inc. (USA)
Related Parts
6240-00-027-2603INTERCHANGEABLE
LAMP,INCANDESCENT
87-0770
6610-00-544-5550INTERCHANGEABLE
SHELL ASSY
21642
5330-00-839-2399INTERCHANGEABLE
PACKING,PREFORMED
21642
2910-01-118-2180INTERCHANGEABLE
CLAMP,FILTER
21674
4820-01-163-4678INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
7-113100214-3
4310-01-278-2015INTERCHANGEABLE
COMPRESSOR,RECIPROCATING
216-42
4820-01-296-7020INTERCHANGEABLE
DISK,VALVE
21642
1650-01-327-3957INTERCHANGEABLE
PAD,HANGER ARM
21642

Frequently Asked Questions

What is NSN 3020-01-294-3240?

NSN 3020-01-294-3240 is a Gear,helical, manufactured by Tulsa Winch, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-294-3240?

NSN 3020-01-294-3240 has 1 cross-referenced part number: 21642 (Tulsa Winch, Inc.).

What NSN replaces 3020-01-294-3240?

There are 8 known substitutes for 3020-01-294-3240: 6240-00-027-2603, 6610-00-544-5550, 5330-00-839-2399 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21642?

Key specifications for 21642: Material: STEEL OVERALL; Tooth Direction: LEFT. 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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