PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12597Gear,helical

Westerbeke Corporation · NSN 3020-01-128-4236 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-128-4236 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-128-4236. Primary manufacturer part number: 12597.
Features
  • Gear,helical — FSC 3020
  • Body Style: WEBBED, WITH LIGHTENING HOLES
  • Attachment Method: MOUNTING HOLE
  • Bore Style: PLAIN BOTH ENDS
  • Style Designator: HUBLESS
  • Teeth Type: SINGLE HELIX
  • Material: STEEL OVERALL
  • 1 verified cross-reference
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 3020-01-128-4236, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Westerbeke Corporation. Government technical data includes 6 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-128-4236
Primary Part Number12597
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerWesterbeke Corporation
StatusACTIVE
Body StyleWEBBED, WITH LIGHTENING HOLES
Attachment MethodMOUNTING HOLE
Bore StylePLAIN BOTH ENDS
Style DesignatorHUBLESS
Teeth TypeSINGLE HELIX
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4320-00-035-6899125-97 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Dresser Industries Inc Leroi Div
4820-00-036-098912597 INTERCHANGEABLE
Seat,valve
Schneider Electric Systems Usa Inc
3040-00-147-2026312597 INTERCHANGEABLE
Lever,remote Control
Brp Us Inc
4820-00-845-1096 INTERCHANGEABLE
Cock,drain
5950-00-853-275512597 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
3020-00-894-759312597 INTERCHANGEABLE
Gear,spur
Grimes Aerospace Company
3455-01-336-166612597 INTERCHANGEABLE
Blade,band Saw,metal Cutting
L.s. Starrett Company (the) Div Tool Division
7045-01-367-0387 INTERCHANGEABLE
Disk,flexible
6550-01-575-105688753 INTERCHANGEABLE
Control,blood Chemistry
Quidel Corp
Cross-Reference Index
Part NumberManufacturer
12597 PRIMARY Westerbeke Corporation (USA)
Related Parts
4320-00-035-6899INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
125-97
4820-00-036-0989INTERCHANGEABLE
SEAT,VALVE
12597
3040-00-147-2026INTERCHANGEABLE
LEVER,REMOTE CONTROL
312597
4820-00-845-1096INTERCHANGEABLE
COCK,DRAIN
5950-00-853-2755INTERCHANGEABLE
REACTOR
12597
3020-00-894-7593INTERCHANGEABLE
GEAR,SPUR
12597
3455-01-336-1666INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
12597
7045-01-367-0387INTERCHANGEABLE
DISK,FLEXIBLE
6550-01-575-1056INTERCHANGEABLE
CONTROL,BLOOD CHEMISTRY
88753

Frequently Asked Questions

What is NSN 3020-01-128-4236?

NSN 3020-01-128-4236 is a Gear,helical, manufactured by Westerbeke Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-128-4236?

NSN 3020-01-128-4236 has 1 cross-referenced part number: 12597 (Westerbeke Corporation).

What NSN replaces 3020-01-128-4236?

There are 9 known substitutes for 3020-01-128-4236: 4320-00-035-6899, 4820-00-036-0989, 3040-00-147-2026 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12597?

Key specifications for 12597: Body Style: WEBBED, WITH LIGHTENING HOLES; Attachment Method: MOUNTING HOLE; Bore Style: PLAIN BOTH ENDS; Style Designator: HUBLESS. 6 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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