PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

374036-1Pulley,groove

Lockheed Martin Corp · NSN 3020-00-874-1832 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-874-1832 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-874-1832. Primary manufacturer part number: 374036-1.
Features
  • Pulley,groove — FSC 3020
  • Groove Width: 0.130 INCHES NOMINAL IN
  • Bore Length: 0.500 INCHES NOMINAL IN
  • Pitch Diameter: 3.910 INCHES NOMINAL IN
  • Integral Cooling Vane: NOT INCLUDED
  • Material: STEEL OVERALL
  • Groove Shape: V
  • Bore Feature: INCLUDED
Applications
  • Applications requiring Steel Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-00-874-1832, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-874-1832
Primary Part Number374036-1
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusCANCELLED
Groove Width0.130 INCHES NOMINAL IN
Bore Length0.500 INCHES NOMINAL IN
Pitch Diameter3.910 INCHES NOMINAL IN
Integral Cooling VaneNOT INCLUDED
MaterialSTEEL OVERALL
Groove ShapeV
Bore FeatureINCLUDED
Distance From Outside Flange/rim to Hub End and Location0.150 INCHES NOMINAL AA END IN
Lightening HoleINCLUDED
Web/spoke Relationship to Face CenterlineNOT OFFSET
Unable to DecodeUNABLE TO DECODE
Split Hub FeatureNOT INCLUDED
Protruding Hub CharacteristicPLAIN
Unable to DecodeUNABLE TO DECODE
BearingsNOT INCLUDED
Groove Quantity1
Face Width0.350 INCHES NOMINAL IN
Hub Outside Diameter0.940 INCHES NOMINAL AA END IN
Counterbore FeatureNOT INCLUDED
Bore TypeSTRAIGHT
Design FormWEBBED
Groove Depth0.496 INCHES NOMINAL IN
V Groove Angle in Deg20.0
Style DesignatorWEBBED OR SPOKED
Bore Diameter0.600 INCHES NOMINAL IN
Outside Diameter4.406 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3030-00-529-0471 INTERCHANGEABLE
Belt,v
Cross-Reference Index
Part NumberManufacturer
374036-1 Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc (USA)
374036-1 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) (USA)
374036-1 Lockheed Martin Services, Llc (USA)
374036-1 Skyspares Parts Inc (USA)
374036-1 PRIMARY Lockheed Martin Corp (USA)
Related Parts
3030-00-529-0471INTERCHANGEABLE
BELT,V

Frequently Asked Questions

What is NSN 3020-00-874-1832?

NSN 3020-00-874-1832 is a Pulley,groove, manufactured by Lockheed Martin Corp, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-874-1832?

NSN 3020-00-874-1832 has 5 cross-referenced part numbers: 374036-1 (Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc), 374036-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)), 374036-1 (Lockheed Martin Services, Llc), 374036-1 (Skyspares Parts Inc), 374036-1 (Lockheed Martin Corp).

What NSN replaces 3020-00-874-1832?

There is 1 known substitute for 3020-00-874-1832: 3030-00-529-0471. Verify interchangeability with system specifications before substitution.

What are the specifications of 374036-1?

Key specifications for 374036-1: Groove Width: 0.130 INCHES NOMINAL IN; Bore Length: 0.500 INCHES NOMINAL IN; Pitch Diameter: 3.910 INCHES NOMINAL IN; Integral Cooling Vane: NOT INCLUDED. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-874-1832 still in active supply?

NSN 3020-00-874-1832 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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