PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12099Pulley,groove

Westerbeke Corporation · NSN 3020-01-272-7798 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-272-7798 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-272-7798. Primary manufacturer part number: 12099.
Features
  • Pulley,groove — FSC 3020
  • Groove Quantity: 2
  • Material: ALUMINUM OVERALL
  • Bore Diameter: 1.500 INCHES NOMINAL IN
  • Outside Diameter: 6.000 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Westerbeke Corporation
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-272-7798, 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 4 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
NSN3020-01-272-7798
Primary Part Number12099
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerWesterbeke Corporation
StatusACTIVE
Groove Quantity2
MaterialALUMINUM OVERALL
Bore Diameter1.500 INCHES NOMINAL IN
Outside Diameter6.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-234-5140 INTERCHANGEABLE
Drill,twist
2920-00-247-44511219 INTERCHANGEABLE
Magneto,ignition
Cummins Power Generation Inc.
4730-00-278-3560A733XS-97CFG INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4310-00-374-7799KK-9833 INTERCHANGEABLE
Ring,piston
Illinois Tool Works Inc.
5310-00-497-3176 INTERCHANGEABLE
Nut,plain,hexagon
2520-00-703-98862004176 INTERCHANGEABLE
Plate Clutch High S
General Motors Llc Dba General Motors Llc
5331-01-280-6511 INTERCHANGEABLE
O-Ring
1660-01-594-6486277D1476-513 INTERCHANGEABLE
Duct Assembly,air Conditioning-H
Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
12099 PRIMARY Westerbeke Corporation (USA)
Related Parts
5133-00-234-5140INTERCHANGEABLE
DRILL,TWIST
2920-00-247-4451INTERCHANGEABLE
MAGNETO,IGNITION
1219
4730-00-278-3560INTERCHANGEABLE
NIPPLE,PIPE
A733XS-97CFG
4310-00-374-7799INTERCHANGEABLE
RING,PISTON
KK-9833
5310-00-497-3176INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2520-00-703-9886INTERCHANGEABLE
PLATE CLUTCH HIGH S
2004176
5331-01-280-6511INTERCHANGEABLE
O-RING
1660-01-594-6486INTERCHANGEABLE
DUCT ASSEMBLY,AIR CONDITIONING-H
277D1476-513

Frequently Asked Questions

What is NSN 3020-01-272-7798?

NSN 3020-01-272-7798 is a Pulley,groove, manufactured by Westerbeke Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-272-7798?

NSN 3020-01-272-7798 has 1 cross-referenced part number: 12099 (Westerbeke Corporation).

What NSN replaces 3020-01-272-7798?

There are 8 known substitutes for 3020-01-272-7798: 5133-00-234-5140, 2920-00-247-4451, 4730-00-278-3560 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12099?

Key specifications for 12099: Groove Quantity: 2; Material: ALUMINUM OVERALL; Bore Diameter: 1.500 INCHES NOMINAL IN; Outside Diameter: 6.000 INCHES NOMINAL IN. 4 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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