PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63800Pulley,groove

Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum · NSN 3020-00-521-3500 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-521-3500 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-521-3500. Primary manufacturer part number: 63800.
Features
  • Pulley,groove — FSC 3020
  • 13 verified cross-references
  • Primary manufacturer: Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pulley,groove, cataloged under National Stock Number 3020-00-521-3500, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum. This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePulley,groove
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersKidde Technologies, Inc Div Kidde Aerospace and Defense (CAGE 61423); E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales (CAGE A00AM); Badger Fire Protection Inc (CAGE 3J724); Parker Machine Works (CAGE 73267); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207)
Technical Specifications
ParameterValue
NSN3020-00-521-3500
Primary Part Number63800
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerKidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-147-557424305 INTERCHANGEABLE
Washer,lock
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5340-00-384-102463800 INTERCHANGEABLE
Seat,helical Compression Spring
Dresser, Llc
5340-00-598-7412P1068 INTERCHANGEABLE
Bracket,angle
Unistrut International Corporation Dba Unistrut Diversified Products
1660-00-663-5287 INTERCHANGEABLE
Regulator,oxygen,demand
5307-00-677-8891203076A INTERCHANGEABLE
Stud,stepped
Brinkley Technology Group Llc Dba Hercules Manufacturing
5950-00-998-851624305 INTERCHANGEABLE
Transformer,radio Frequency
Hamilton Sundstrand Corporation Dba Collins Aerospace
6515-01-143-845924305 INTERCHANGEABLE
Speculum,otoscope
Welch Allyn, Inc.
5365-01-175-932524305 INTERCHANGEABLE
Spacer,sleeve
Stone Construction Equipment, Inc.
5995-01-382-0758600588 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
5330-01-408-543063800 INTERCHANGEABLE
Gasket
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
24305 Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
2540005213500 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
63800 Badger Fire Protection Inc (USA)
P1068 Parker Machine Works (USA)
5213500 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
924305 Kidde-Fenwal, Llc (USA)
24305 Kidde-Fenwal, Llc (USA)
S63800 Grinnell Fire Protection (USA)
B-52948 Fyr-Fyter Co Inc (USA)
924305 Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
63800 PRIMARY Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum (USA)
2178341 General Motors Corp (USA)
2178341 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
Related Parts
5310-00-147-5574INTERCHANGEABLE
WASHER,LOCK
24305
5340-00-384-1024INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
63800
5340-00-598-7412INTERCHANGEABLE
BRACKET,ANGLE
P1068
1660-00-663-5287INTERCHANGEABLE
REGULATOR,OXYGEN,DEMAND
5307-00-677-8891INTERCHANGEABLE
STUD,STEPPED
203076A
5950-00-998-8516INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
24305
6515-01-143-8459INTERCHANGEABLE
SPECULUM,OTOSCOPE
24305
5365-01-175-9325INTERCHANGEABLE
SPACER,SLEEVE
24305
5995-01-382-0758INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
600588
5330-01-408-5430INTERCHANGEABLE
GASKET
63800
6630-01-431-9637INTERCHANGEABLE
ADAPTER,SYRINGE TO ANALYZER
24305
5962-01-494-6595INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 3020-00-521-3500?

NSN 3020-00-521-3500 is a Pulley,groove, manufactured by Kidde Technologies Inc Dba Kidde Dual Spectrum Div Kidde Dual Spectrum, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-521-3500?

NSN 3020-00-521-3500 has 13 cross-referenced part numbers: 24305 (Kidde Technologies, Inc Div Kidde Aerospace and Defense), 2540005213500 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 63800 (Badger Fire Protection Inc), P1068 (Parker Machine Works), 5213500 (U S Army Tank Automotive Command Amsta-Im-Mm) and 8 more.

What NSN replaces 3020-00-521-3500?

There are 12 known substitutes for 3020-00-521-3500: 5310-00-147-5574, 5340-00-384-1024, 5340-00-598-7412 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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