PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AK51-3/4Pulley,groove

Emerson Electric Co Browning Mfg Div · NSN 3020-01-318-1483 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-318-1483 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-318-1483. Primary manufacturer part number: AK51-3/4.
Features
  • Pulley,groove — FSC 3020
  • Protruding Hub Characteristic: PLAIN
  • Unable to Decode: UNABLE TO DECODE
  • Integral Cooling Vane: NOT INCLUDED
  • Distance From Outside Flange/rim to Hub End and Location: 0.469 INCHES NOMINAL AA END IN
  • Material: IRON OVERALL
  • Lightening Hole: NOT INCLUDED
  • Groove Shape: V
Applications
  • Applications requiring Iron Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-318-1483, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-318-1483
Primary Part NumberAK51-3/4
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEmerson Electric Co Browning Mfg Div
StatusACTIVE
Protruding Hub CharacteristicPLAIN
Unable to DecodeUNABLE TO DECODE
Integral Cooling VaneNOT INCLUDED
Distance From Outside Flange/rim to Hub End and Location0.469 INCHES NOMINAL AA END IN
MaterialIRON OVERALL
Lightening HoleNOT INCLUDED
Groove ShapeV
Securing LocationAA END
Securing MethodSETSCREW
Unable to DecodeUNABLE TO DECODE
Keying Facility TypeKEYWAY
Split Hub FeatureNOT INCLUDED
Bore FeatureNOT INCLUDED
Standard V-Belt Section Designation for Which Designed4L AND A
V Groove Angle in Deg34.0
Bore Diameter0.750 INCHES NOMINAL IN
Groove Depth0.490 INCHES NOMINAL IN
Outside Diameter4.950 INCHES NOMINAL IN
Keyway Width0.188 INCHES NOMINAL IN
Bore TypeSTRAIGHT
Groove Width0.500 INCHES NOMINAL IN
Furnished ItemsKEYING FACILITY
Design FormPLAIN
Counterbore FeatureNOT INCLUDED
BearingsNOT INCLUDED
Face Width0.750 INCHES NOMINAL IN
Groove Quantity1
Bore Length1.219 INCHES NOMINAL IN
Distance From Center of Bore to Bottom of Keyway0.469 INCHES NOMINAL IN
Pitch Diameter4.700 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-00-359-9098AK51 3-4 INTERCHANGEABLE
Pulley,groove
Emerson Electric Co Browning Mfg Div
Cross-Reference Index
Part NumberManufacturer
AK51-3/4 PRIMARY Emerson Electric Co Browning Mfg Div (USA)
AG51-3/4 Emerson Power Transmission Corporation Div Ept (USA)
Related Parts
3020-00-359-9098INTERCHANGEABLE
PULLEY,GROOVE
AK51 3-4

Frequently Asked Questions

What is NSN 3020-01-318-1483?

NSN 3020-01-318-1483 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 3020-01-318-1483?

NSN 3020-01-318-1483 has 2 cross-referenced part numbers: AK51-3/4 (Emerson Electric Co Browning Mfg Div), AG51-3/4 (Emerson Power Transmission Corporation Div Ept).

What NSN replaces 3020-01-318-1483?

There is 1 known substitute for 3020-01-318-1483: 3020-00-359-9098. Verify interchangeability with system specifications before substitution.

What are the specifications of AK51-3/4?

Key specifications for AK51-3/4: Protruding Hub Characteristic: PLAIN; Unable to Decode: UNABLE TO DECODE; Integral Cooling Vane: NOT INCLUDED; Distance From Outside Flange/rim to Hub End and Location: 0.469 INCHES NOMINAL AA END IN. 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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