PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41550Pulley,groove

Allied Systems Company Dba Allied Systems Co · NSN 3020-01-406-2278 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-406-2278 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-406-2278. Primary manufacturer part number: 41550.
Features
  • Pulley,groove — FSC 3020
  • Face Width: 1.500 INCHES NOMINAL IN
  • Lightening Hole: NOT INCLUDED
  • Distance From Outside Flange/rim to Hub End and Location: 0.125 INCHES NOMINAL BOTH ENDS IN
  • Bore Feature: INCLUDED
  • Protruding Hub Characteristic: PLAIN
  • Style Designator: PLAIN
  • Groove Shape: U
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-406-2278, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Allied Systems Company Dba Allied Systems Co. Government technical data includes 20 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-406-2278
Primary Part Number41550
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAllied Systems Company Dba Allied Systems Co
StatusACTIVE
Face Width1.500 INCHES NOMINAL IN
Lightening HoleNOT INCLUDED
Distance From Outside Flange/rim to Hub End and Location0.125 INCHES NOMINAL BOTH ENDS IN
Bore FeatureINCLUDED
Protruding Hub CharacteristicPLAIN
Style DesignatorPLAIN
Groove ShapeU
Split Hub FeatureNOT INCLUDED
Integral Cooling VaneNOT INCLUDED
Groove Width1.500 INCHES NOMINAL IN
BearingsNOT INCLUDED
Counterbore FeatureNOT INCLUDED
Outside Diameter14.000 INCHES NOMINAL IN
Bore Length1.750 INCHES NOMINAL IN
Groove Depth1.000 INCHES NOMINAL IN
Furnished Items and QuantityBORE BUSHING
Design FormPLAIN
Bore TypeSTRAIGHT
Groove Quantity1
Bore Diameter2.498 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6610-00-087-243441550 INTERCHANGEABLE
Indicator,attitude
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6930-00-394-023541550 INTERCHANGEABLE
Drum Assembly,numbe
Instruments and Flight Research, Inc.
5925-00-410-145330056-40 INTERCHANGEABLE
Circuit Breaker
Cole Hersee Company
5999-00-776-0104 INTERCHANGEABLE
Contact,electrical
3020-00-966-6525 INTERCHANGEABLE
Gear,internal
8040-01-038-7728 INTERCHANGEABLE
Adhesive
5915-01-189-2811347713-1 INTERCHANGEABLE
Filter,low Pass
Raytheon Company Dba Raytheon
5962-01-203-726741550 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5342-01-237-4129 INTERCHANGEABLE
Clip,special
3110-01-260-256125322 INTERCHANGEABLE
Bearing,roller,needle
Twg Canada Consolidated Inc
Cross-Reference Index
Part NumberManufacturer
25322 Allied Systems Company Dba Allied Systems Co (USA)
41550 PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
Related Parts
6610-00-087-2434INTERCHANGEABLE
INDICATOR,ATTITUDE
41550
6930-00-394-0235INTERCHANGEABLE
DRUM ASSEMBLY,NUMBE
41550
5925-00-410-1453INTERCHANGEABLE
CIRCUIT BREAKER
30056-40
5999-00-776-0104INTERCHANGEABLE
CONTACT,ELECTRICAL
3020-00-966-6525INTERCHANGEABLE
GEAR,INTERNAL
8040-01-038-7728INTERCHANGEABLE
ADHESIVE
5915-01-189-2811INTERCHANGEABLE
FILTER,LOW PASS
347713-1
5962-01-203-7267INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41550
5342-01-237-4129INTERCHANGEABLE
CLIP,SPECIAL
3110-01-260-2561INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
25322
6750-01-418-2679INTERCHANGEABLE
STARTER,PHOTO
5930-01-716-0358INTERCHANGEABLE
SWITCH,ROTARY
41550

Frequently Asked Questions

What is NSN 3020-01-406-2278?

NSN 3020-01-406-2278 is a Pulley,groove, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-406-2278?

NSN 3020-01-406-2278 has 2 cross-referenced part numbers: 25322 (Allied Systems Company Dba Allied Systems Co), 41550 (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 3020-01-406-2278?

There are 12 known substitutes for 3020-01-406-2278: 6610-00-087-2434, 6930-00-394-0235, 5925-00-410-1453 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41550?

Key specifications for 41550: Face Width: 1.500 INCHES NOMINAL IN; Lightening Hole: NOT INCLUDED; Distance From Outside Flange/rim to Hub End and Location: 0.125 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED. 22 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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