PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F4-240Pulley,groove

H20 Tank Inc U S Motors Div · NSN 3020-00-288-2417 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-288-2417 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-288-2417. Primary manufacturer part number: F4-240.
Features
  • Pulley,groove — FSC 3020
  • Integral Cooling Vane: NOT INCLUDED
  • Split Hub Feature: NOT INCLUDED
  • Web/spoke Relationship to Face Centerline: NOT OFFSET
  • Material: IRON OVERALL
  • Keying Facility Type: KEYWAY
  • Securing Method: THREADED HOLE(S)
  • Standard V-Belt Section Designation for Which Designed: B
Applications
  • Applications requiring Iron Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-00-288-2417, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is H20 Tank Inc U S Motors Div. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-288-2417
Primary Part NumberF4-240
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerH20 Tank Inc U S Motors Div
StatusACTIVE
Integral Cooling VaneNOT INCLUDED
Split Hub FeatureNOT INCLUDED
Web/spoke Relationship to Face CenterlineNOT OFFSET
MaterialIRON OVERALL
Keying Facility TypeKEYWAY
Securing MethodTHREADED HOLE(S)
Standard V-Belt Section Designation for Which DesignedB
Bore FeatureINCLUDED
Lightening HoleNOT INCLUDED
Securing LocationBOTH ENDS
Groove ShapeV
Design FormWEBBED
Groove Width0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Outside Diameter3.750 INCHES NOMINAL IN
Furnished ItemsKEYING FACILITY
Furnished Items and Quantity1 SETSCREW
Pitch Diameter3.250 INCHES NOMINAL IN
Counterbore FeatureNOT INCLUDED
V Groove Angle in Deg38.0
Thread Size5/16-18
Bore Diameter1.374 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
Groove Depth0.625 INCHES NOMINAL IN
Distance From Center of Bore to Bottom of Keyway0.8065 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN
BearingsNOT INCLUDED
Hole LocationLOCATED ON TOP OF KEYWAY
Securing Hole Quantity1
Keyway Width0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Face Width0.813 INCHES NOMINAL IN
Bore Length0.750 INCHES NOMINAL IN
Groove Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4210-01-148-9514 INTERCHANGEABLE
Cylinder and Valve
5940-01-303-51021806312-26 INTERCHANGEABLE
Terminal Junction Block,sectiona
Northrop Grumman Systems Corporation
4520-01-430-268255626 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
Cross-Reference Index
Part NumberManufacturer
F4-240 PRIMARY H20 Tank Inc U S Motors Div (USA)
F4-240 Penn Yan Boats Inc (USA)
55626 PRIMARY H20 Tank Inc U S Motors Div (USA)
Related Parts
4210-01-148-9514INTERCHANGEABLE
CYLINDER AND VALVE
5940-01-303-5102INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA
1806312-26
4520-01-430-2682INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
55626

Frequently Asked Questions

What is NSN 3020-00-288-2417?

NSN 3020-00-288-2417 is a Pulley,groove, manufactured by H20 Tank Inc U S Motors Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-288-2417?

NSN 3020-00-288-2417 has 3 cross-referenced part numbers: F4-240 (H20 Tank Inc U S Motors Div), F4-240 (Penn Yan Boats Inc), 55626 (H20 Tank Inc U S Motors Div).

What NSN replaces 3020-00-288-2417?

There are 3 known substitutes for 3020-00-288-2417: 4210-01-148-9514, 5940-01-303-5102, 4520-01-430-2682. Verify interchangeability with system specifications before substitution.

What are the specifications of F4-240?

Key specifications for F4-240: Integral Cooling Vane: NOT INCLUDED; Split Hub Feature: NOT INCLUDED; Web/spoke Relationship to Face Centerline: NOT OFFSET; Material: IRON OVERALL. 30 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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