PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50101Pulley,groove

Smith-Berger Marine, Inc · NSN 3020-01-286-8355 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-286-8355 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-286-8355. Primary manufacturer part number: 50101.
Features
  • Pulley,groove — FSC 3020
  • Groove Depth: 1.250 INCHES NOMINAL IN
  • Counterbore Feature: NOT INCLUDED
  • Bearing Quantity: 2
  • Face Width: 4.000 INCHES NOMINAL IN
  • Groove Quantity: 1
  • Hole Location: ON PULLEY SURFACE
  • Design Form: WEBBED
Applications
  • Applications requiring Steel Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-286-8355, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Smith-Berger Marine, Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN3020-01-286-8355
Primary Part Number50101
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSmith-Berger Marine, Inc
StatusACTIVE
Groove Depth1.250 INCHES NOMINAL IN
Counterbore FeatureNOT INCLUDED
Bearing Quantity2
Face Width4.000 INCHES NOMINAL IN
Groove Quantity1
Hole LocationON PULLEY SURFACE
Design FormWEBBED
BearingsINCLUDED
Bore TypeSTRAIGHT
Securing MethodDRILLED HOLE
MaterialSTEEL OVERALL
Bore FeatureINCLUDED
Web/spoke Relationship to Face CenterlineNOT OFFSET
Style DesignatorWEBBED OR SPOKED
Groove ShapeU
Integral Cooling VaneNOT INCLUDED
Protruding Hub CharacteristicPLAIN
Split Hub FeatureNOT INCLUDED
Bearing TypeROLLER
Securing LocationPULLEY SURFACE
Lightening HoleNOT INCLUDED
Securing Hole Quantity8
Drilled Hole Diameter1.312 INCHES NOMINAL IN
Outside Diameter20.000 INCHES NOMINAL IN
Furnished Items and QuantityONE 0.125 IN.MONEL GREASE FITTING IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-119-654750101 INTERCHANGEABLE
Ring,retaining
Hamilton Sundstrand Corporation Dba Collins Aerospace
5330-00-154-958650101 INTERCHANGEABLE
Seal,plain Encased
Dana Off Highway Products, Llc
5330-00-592-8153 INTERCHANGEABLE
Retainer,packing
5950-00-839-389410043884 INTERCHANGEABLE
Transformer,pulse
Us Army Aviation and Missile Command
5360-00-867-6668501-01 INTERCHANGEABLE
Spring,helical,compression
Norgren C a Co
6520-01-027-034650101 INTERCHANGEABLE
Bur,denture Trimming
Menlo Tool Co Inc
5310-01-049-168250101 INTERCHANGEABLE
Nut,plain,hexagon
Paccar Winch Inc Dba Paccar Winch Division
5961-01-069-4899SM-A-763921-1 INTERCHANGEABLE
Semiconductor Device,diode
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6515-01-176-9355050-123-00 INTERCHANGEABLE
Oxygenator,blood
Cobe Laboratories Inc
5310-01-342-39901WI-10F INTERCHANGEABLE
Nut,plain,wing
Star Stainless Screw Co
Cross-Reference Index
Part NumberManufacturer
50101-B8 Smith-Berger Marine, Inc (USA)
50101-88 Smith-Berger Marine, Inc (USA)
50101 PRIMARY Smith-Berger Marine, Inc (USA)
50270-D10-2 Smith-Berger Marine, Inc (USA)
Related Parts
5325-00-119-6547INTERCHANGEABLE
RING,RETAINING
50101
5330-00-154-9586INTERCHANGEABLE
SEAL,PLAIN ENCASED
50101
5330-00-592-8153INTERCHANGEABLE
RETAINER,PACKING
5950-00-839-3894INTERCHANGEABLE
TRANSFORMER,PULSE
10043884
5360-00-867-6668INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
501-01
6520-01-027-0346INTERCHANGEABLE
BUR,DENTURE TRIMMING
50101
5310-01-049-1682INTERCHANGEABLE
NUT,PLAIN,HEXAGON
50101
5961-01-069-4899INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
SM-A-763921-1
6515-01-176-9355INTERCHANGEABLE
OXYGENATOR,BLOOD
050-123-00
5310-01-342-3990INTERCHANGEABLE
NUT,PLAIN,WING
1WI-10F
4320-01-440-1794INTERCHANGEABLE
PUMP,ROTARY
5975-01-446-3228INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
50101

Frequently Asked Questions

What is NSN 3020-01-286-8355?

NSN 3020-01-286-8355 is a Pulley,groove, manufactured by Smith-Berger Marine, Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-286-8355?

NSN 3020-01-286-8355 has 4 cross-referenced part numbers: 50101-B8 (Smith-Berger Marine, Inc), 50101-88 (Smith-Berger Marine, Inc), 50101 (Smith-Berger Marine, Inc), 50270-D10-2 (Smith-Berger Marine, Inc).

What NSN replaces 3020-01-286-8355?

There are 12 known substitutes for 3020-01-286-8355: 5325-00-119-6547, 5330-00-154-9586, 5330-00-592-8153 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50101?

Key specifications for 50101: Groove Depth: 1.250 INCHES NOMINAL IN; Counterbore Feature: NOT INCLUDED; Bearing Quantity: 2; Face Width: 4.000 INCHES NOMINAL IN. 25 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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