PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-25APulley,groove

Gunnebo Johnson Corporation Div Gunnebo Industries, Inc. · NSN 3020-01-043-4072 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-043-4072 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-043-4072. Primary manufacturer part number: 18-25A.
Features
  • Pulley,groove — FSC 3020
  • Securing Location: BOTH ENDS
  • Integral Cooling Vane: INCLUDED
  • Web/spoke Relationship to Face Centerline: NOT OFFSET
  • Lightening Hole: NOT INCLUDED
  • Unable to Decode: UNABLE TO DECODE
  • Bore Feature: INCLUDED
  • Protruding Hub Characteristic: PLAIN
Applications
  • Applications requiring Steel Body construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-043-4072, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Gunnebo Johnson Corporation Div Gunnebo Industries, Inc.. Government technical data includes 28 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-043-4072
Primary Part Number18-25A
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGunnebo Johnson Corporation Div Gunnebo Industries, Inc.
StatusACTIVE
Securing LocationBOTH ENDS
Integral Cooling VaneINCLUDED
Web/spoke Relationship to Face CenterlineNOT OFFSET
Lightening HoleNOT INCLUDED
Unable to DecodeUNABLE TO DECODE
Bore FeatureINCLUDED
Protruding Hub CharacteristicPLAIN
Hub Outside Diameter5.500 INCHES NOMINAL BOTH ENDS IN
Unable to DecodeUNABLE TO DECODE
Bore TypeSTRAIGHT
Shaft Size for Which Designed3.000 INCHES NOMINAL IN
Securing MethodPIN(S)
Split Hub FeatureNOT INCLUDED
Bearing TypeBEARING ROLLER
MaterialSTEEL BODY
Groove ShapeU
BearingsINCLUDED
Face Width2.250 INCHES NOMINAL IN
Groove Quantity1
Counterbore FeatureNOT INCLUDED
Design FormSPOKED
Style DesignatorWEBBED OR SPOKED
Groove Width2.250 INCHES NOMINAL IN
Groove Depth1.375 INCHES NOMINAL IN
Outside Diameter18.000 INCHES NOMINAL IN
Bore Diameter3.000 INCHES NOMINAL IN
Bearing Quantity2
Bore Length2.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6625-00-022-8244 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
5310-00-595-99791825A INTERCHANGEABLE
Washer,spring Tension
Cornell-Carr Co., Inc.
4820-00-849-1220 INTERCHANGEABLE
Cock,drain
6760-01-080-3447 INTERCHANGEABLE
Viewer,transparency
6625-01-174-08751825A INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
18-25A Gunnebo Johnson Corporation Div Gunnebo Industries, Inc. (USA)
Related Parts
6625-00-022-8244INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
5310-00-595-9979INTERCHANGEABLE
WASHER,SPRING TENSION
1825A
4820-00-849-1220INTERCHANGEABLE
COCK,DRAIN
6760-01-080-3447INTERCHANGEABLE
VIEWER,TRANSPARENCY
6625-01-174-0875INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
1825A

Frequently Asked Questions

What is NSN 3020-01-043-4072?

NSN 3020-01-043-4072 is a Pulley,groove, manufactured by Gunnebo Johnson Corporation Div Gunnebo Industries, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-043-4072?

NSN 3020-01-043-4072 has 1 cross-referenced part number: 18-25A (Gunnebo Johnson Corporation Div Gunnebo Industries, Inc.).

What NSN replaces 3020-01-043-4072?

There are 5 known substitutes for 3020-01-043-4072: 6625-00-022-8244, 5310-00-595-9979, 4820-00-849-1220 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-25A?

Key specifications for 18-25A: Securing Location: BOTH ENDS; Integral Cooling Vane: INCLUDED; Web/spoke Relationship to Face Centerline: NOT OFFSET; Lightening Hole: NOT INCLUDED. 29 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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