PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12535Pulley,groove

Crosby Group Inc the Mckissick Plant Div · NSN 3020-01-221-2882 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-221-2882 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-221-2882. Primary manufacturer part number: 12535.
Features
  • Pulley,groove — FSC 3020
  • Bore Diameter: 1.499 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
  • Bore Type: STRAIGHT
  • Outside Diameter: 4.125 INCHES NOMINAL IN
  • Face Width: 1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
  • Integral Cooling Vane: NOT INCLUDED
  • Distance From Outside Flange/rim to Hub End and Location: 0.250 INCHES NOMINAL AA END IN
  • Design Form: PLAIN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-221-2882, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Crosby Group Inc the Mckissick Plant Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN3020-01-221-2882
Primary Part Number12535
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCrosby Group Inc the Mckissick Plant Div
StatusACTIVE
Bore Diameter1.499 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Bore TypeSTRAIGHT
Outside Diameter4.125 INCHES NOMINAL IN
Face Width1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
Integral Cooling VaneNOT INCLUDED
Distance From Outside Flange/rim to Hub End and Location0.250 INCHES NOMINAL AA END IN
Design FormPLAIN
Bore FeatureINCLUDED
BearingsNOT INCLUDED
Counterbore FeatureNOT INCLUDED
Groove ShapeU
Lightening HoleNOT INCLUDED
Style DesignatorPLAIN
Groove Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-286-8149 INTERCHANGEABLE
Seal,plain Encased
6645-00-892-1603 INTERCHANGEABLE
Meter,time Totalizing
6160-00-949-648112535 INTERCHANGEABLE
Vent Tube,battery
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
6140-01-132-9269 INTERCHANGEABLE
Battery,storage
5310-01-147-817112535 INTERCHANGEABLE
Washer
Westerbeke Corporation
4820-01-180-449312535 INTERCHANGEABLE
Repair Kit,regulato
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
5365-01-472-6041 INTERCHANGEABLE
Bushing,hex
7690-01-665-847312535 INTERCHANGEABLE
Label
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
12535 PRIMARY Crosby Group Inc the Mckissick Plant Div (USA)
506602-5 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
Related Parts
5330-00-286-8149INTERCHANGEABLE
SEAL,PLAIN ENCASED
6645-00-892-1603INTERCHANGEABLE
METER,TIME TOTALIZING
6160-00-949-6481INTERCHANGEABLE
VENT TUBE,BATTERY
12535
6140-01-132-9269INTERCHANGEABLE
BATTERY,STORAGE
5310-01-147-8171INTERCHANGEABLE
WASHER
12535
4820-01-180-4493INTERCHANGEABLE
REPAIR KIT,REGULATO
12535
5365-01-472-6041INTERCHANGEABLE
BUSHING,HEX
7690-01-665-8473INTERCHANGEABLE
LABEL
12535

Frequently Asked Questions

What is NSN 3020-01-221-2882?

NSN 3020-01-221-2882 is a Pulley,groove, manufactured by Crosby Group Inc the Mckissick Plant Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-221-2882?

NSN 3020-01-221-2882 has 2 cross-referenced part numbers: 12535 (Crosby Group Inc the Mckissick Plant Div), 506602-5 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl).

What NSN replaces 3020-01-221-2882?

There are 8 known substitutes for 3020-01-221-2882: 5330-00-286-8149, 6645-00-892-1603, 6160-00-949-6481 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12535?

Key specifications for 12535: Bore Diameter: 1.499 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Bore Type: STRAIGHT; Outside Diameter: 4.125 INCHES NOMINAL IN; Face Width: 1.344 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN. 15 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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