PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80421Pulley,groove

Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company · NSN 3020-00-123-0575 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-123-0575 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-123-0575. Primary manufacturer part number: 80421.
Features
  • Pulley,groove — FSC 3020
  • Groove Radius: 0.078 INCHES NOMINAL IN
  • Bearings: NOT INCLUDED
  • Face Width: 0.281 INCHES NOMINAL IN
  • Bore Type: STRAIGHT
  • Counterbore Feature: NOT INCLUDED
  • Groove Quantity: 1
  • Design Form: PLAIN
Applications
  • Applications requiring Plastic Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-00-123-0575, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-123-0575
Primary Part Number80421
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerPiper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
StatusACTIVE
Groove Radius0.078 INCHES NOMINAL IN
BearingsNOT INCLUDED
Face Width0.281 INCHES NOMINAL IN
Bore TypeSTRAIGHT
Counterbore FeatureNOT INCLUDED
Groove Quantity1
Design FormPLAIN
Integral Cooling VaneNOT INCLUDED
Split Hub FeatureNOT INCLUDED
Lightening HoleNOT INCLUDED
Bore FeatureINCLUDED
Outside Diameter1.750 INCHES NOMINAL IN
Style DesignatorPLAIN
Groove Depth0.188 INCHES NOMINAL IN
MaterialPLASTIC OVERALL
Bore Length0.281 INCHES NOMINAL IN
Groove Width0.156 INCHES NOMINAL IN
Bore Diameter0.256 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6210-00-168-070380421 INTERCHANGEABLE
Insert,legend,light Indicator
Ant Company of VA, the
5330-00-291-73868329732 INTERCHANGEABLE
Packing,preformed
U S Army Tank Automotive Command Amsta-Im-Mm
5930-00-296-96668495100 INTERCHANGEABLE
Switch,toggle
Us Army Aviation and Missile Command
4820-01-130-439080421 INTERCHANGEABLE
Parts Kit,ball Valve
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
5930-01-202-5985L80421 INTERCHANGEABLE
Switch Assembly
Lourdes Industries, Inc.
5930-01-218-3740 INTERCHANGEABLE
Switch,toggle
4710-01-371-254180421-1 INTERCHANGEABLE
Tube,metallic
L3harris Technologies, Inc. Div Space and Airborne Systems
6680-01-395-84658042-1 INTERCHANGEABLE
Meter,flow Rate Indicating
Parker Hannifin Corporation Div Village Marine Tech
5120-01-601-5181 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
6210-01-625-91308042-1 INTERCHANGEABLE
Light Unit,emergency
Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh
Cross-Reference Index
Part NumberManufacturer
80421 PRIMARY Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
80421-00 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
Related Parts
6210-00-168-0703INTERCHANGEABLE
INSERT,LEGEND,LIGHT INDICATOR
80421
5330-00-291-7386INTERCHANGEABLE
PACKING,PREFORMED
8329732
5930-00-296-9666INTERCHANGEABLE
SWITCH,TOGGLE
8495100
4820-01-130-4390INTERCHANGEABLE
PARTS KIT,BALL VALVE
80421
5930-01-202-5985INTERCHANGEABLE
SWITCH ASSEMBLY
L80421
5930-01-218-3740INTERCHANGEABLE
SWITCH,TOGGLE
4710-01-371-2541INTERCHANGEABLE
TUBE,METALLIC
80421-1
6680-01-395-8465INTERCHANGEABLE
METER,FLOW RATE INDICATING
8042-1
5120-01-601-5181INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
6210-01-625-9130INTERCHANGEABLE
LIGHT UNIT,EMERGENCY
8042-1

Frequently Asked Questions

What is NSN 3020-00-123-0575?

NSN 3020-00-123-0575 is a Pulley,groove, manufactured by Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-123-0575?

NSN 3020-00-123-0575 has 2 cross-referenced part numbers: 80421 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company), 80421-00 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company).

What NSN replaces 3020-00-123-0575?

There are 10 known substitutes for 3020-00-123-0575: 6210-00-168-0703, 5330-00-291-7386, 5930-00-296-9666 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 80421?

Key specifications for 80421: Groove Radius: 0.078 INCHES NOMINAL IN; Bearings: NOT INCLUDED; Face Width: 0.281 INCHES NOMINAL IN; Bore Type: STRAIGHT. 18 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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