PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BK50H-H-5/8Pulley,groove

Emerson Electric Co Browning Mfg Div · NSN 3020-00-141-8959 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-141-8959 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-141-8959. Primary manufacturer part number: BK50H-H-5/8.
Features
  • Pulley,groove — FSC 3020
  • Distance From Center of Bore to Bottom of Keyway: 0.406 INCHES NOMINAL IN
  • Style Designator: WEBBED OR SPOKED
  • Standard V-Belt Section Designation for Which Designed: A
  • V Groove Angle in Deg: 36.0
  • Bore Feature: INCLUDED
  • Protruding Hub Characteristic: STEPPED
  • Lightening Hole: NOT INCLUDED
Applications
  • Applications requiring Steel Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-00-141-8959, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Emerson Electric Co Browning Mfg Div. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN3020-00-141-8959
Primary Part NumberBK50H-H-5/8
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEmerson Electric Co Browning Mfg Div
StatusACTIVE
Distance From Center of Bore to Bottom of Keyway0.406 INCHES NOMINAL IN
Style DesignatorWEBBED OR SPOKED
Standard V-Belt Section Designation for Which DesignedA
V Groove Angle in Deg36.0
Bore FeatureINCLUDED
Protruding Hub CharacteristicSTEPPED
Lightening HoleNOT INCLUDED
Unable to DecodeUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE AND UNABLE TO DECODE
Integral Cooling VaneNOT INCLUDED
MaterialSTEEL OVERALL
Hub Outside Diameter2.000 INCHES NOMINAL BOTH ENDS IN
Keying Facility TypeKEYWAY
Groove Quantity1
Counterbore FeatureNOT INCLUDED
Hole LocationLOCATED ON TOP OF KEYWAY,1/4 IN. FROM AA HUB END IN
Hub Outside Diameter1.750 INCHES NOMINAL AA END IN
Split Hub FeatureNOT INCLUDED
Design FormSPOKED
Bore TypeSTRAIGHT
Unable to DecodeUNABLE TO DECODE
Face Width0.875 INCHES NOMINAL IN
BearingsNOT INCLUDED
Securing MethodTHREADED HOLE(S)
Furnished Items and Quantity1 SETSCREW
Securing Hole Quantity1
Bore Length1.188 INCHES NOMINAL IN
Groove Depth0.688 INCHES NOMINAL IN
Quantity1
Pitch Diameter4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4720-00-481-9390113-964ID1 INTERCHANGEABLE
Hose,nonmetallic
Cooper Machinery Services Llc
6530-01-116-105113511-MAV INTERCHANGEABLE
Bedpan
Cardinal Health 200, Llc
5305-01-444-75797985M4X14-A2 INTERCHANGEABLE
Screw,machine
Metric and Multistandard Components Corp
Cross-Reference Index
Part NumberManufacturer
BK50H-H-5/8 Emerson Electric Co Browning Mfg Div (USA)
BG50D-D-5/8 Emerson Power Transmission Corporation Div Ept (USA)
H1000-4 Conveyor Co the
Q9515-1008 Conveyor Co the
BK50H Emerson Electric Co Browning Mfg Div (USA)
Related Parts
4720-00-481-9390INTERCHANGEABLE
HOSE,NONMETALLIC
113-964ID1
6530-01-116-1051INTERCHANGEABLE
BEDPAN
13511-MAV
5305-01-444-7579INTERCHANGEABLE
SCREW,MACHINE
7985M4X14-A2

Frequently Asked Questions

What is NSN 3020-00-141-8959?

NSN 3020-00-141-8959 is a Pulley,groove, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-141-8959?

NSN 3020-00-141-8959 has 5 cross-referenced part numbers: BK50H-H-5/8 (Emerson Electric Co Browning Mfg Div), BG50D-D-5/8 (Emerson Power Transmission Corporation Div Ept), H1000-4 (Conveyor Co the), Q9515-1008 (Conveyor Co the), BK50H (Emerson Electric Co Browning Mfg Div).

What NSN replaces 3020-00-141-8959?

There are 3 known substitutes for 3020-00-141-8959: 4720-00-481-9390, 6530-01-116-1051, 5305-01-444-7579. Verify interchangeability with system specifications before substitution.

What are the specifications of BK50H-H-5/8?

Key specifications for BK50H-H-5/8: Distance From Center of Bore to Bottom of Keyway: 0.406 INCHES NOMINAL IN; Style Designator: WEBBED OR SPOKED; Standard V-Belt Section Designation for Which Designed: A; V Groove Angle in Deg: 36.0. 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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