PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4178765Pulley,groove

Bae Systems Land & Armaments L.p. · NSN 3020-01-029-8561 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-029-8561 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-029-8561. Primary manufacturer part number: 4178765.
Features
  • Pulley,groove — FSC 3020
  • Counterbore Feature: NOT INCLUDED
  • Securing Location: BOTH ENDS
  • Unable to Decode: UNABLE TO DECODE AND UNABLE TO DECODE
  • Distance From Outside Flange/rim to Hub End and Location: 0.685 INCHES NOMINAL AA END AND 0.781 INCHES NOMINAL BB END IN
  • Split Hub Feature: NOT INCLUDED
  • Material: ALUMINUM ALLOY OVERALL
  • Keying Facility Type: KEYWAY
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-029-8561, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-029-8561
Primary Part Number4178765
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBae Systems Land & Armaments L.p.
StatusACTIVE
Counterbore FeatureNOT INCLUDED
Securing LocationBOTH ENDS
Unable to DecodeUNABLE TO DECODE AND UNABLE TO DECODE
Distance From Outside Flange/rim to Hub End and Location0.685 INCHES NOMINAL AA END AND 0.781 INCHES NOMINAL BB END IN
Split Hub FeatureNOT INCLUDED
MaterialALUMINUM ALLOY OVERALL
Keying Facility TypeKEYWAY
Bore FeatureINCLUDED
Lightening HoleINCLUDED
Unable to DecodeUNABLE TO DECODE
Web/spoke Relationship to Face CenterlineOFFSET
Unable to DecodeUNABLE TO DECODE
Integral Cooling VaneNOT INCLUDED
Securing MethodKEY
Unable to DecodeUNABLE TO DECODE
Protruding Hub CharacteristicGROOVED OR PLAIN
Groove ShapeV
Distance From Center of Bore to Bottom of Keyway0.609 INCHES MINIMUM AND 0.614 INCHES MAXIMUM IN
Bore Diameter1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
Bore Length1.904 INCHES NOMINAL IN
Design FormWEBBED
Groove Depth0.625 INCHES NOMINAL IN
Keyway Width0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Face Width2.000 INCHES NOMINAL IN
Furnished ItemsKEYING FACILITY
Groove Quantity3
Groove Width0.625 INCHES NOMINAL IN
Pitch Diameter6.812 INCHES NOMINAL IN
Bore TypeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5910-00-566-4127 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
6220-00-654-606630060-1 INTERCHANGEABLE
Light,navigational,aircraft
Grimes Aerospace Company
5910-01-041-9936 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
3120-01-209-81573006-01 INTERCHANGEABLE
Bushing,sleeve
Lawler Manufacturing Company, Inc.
5340-01-420-0031300601-1 INTERCHANGEABLE
Handwheel
Tri-Tec Manufacturing Llc
5340-01-626-6702 INTERCHANGEABLE
Magnet,permanent
7025-01-702-3248 INTERCHANGEABLE
Interface Unit,automatic Data Pr
Cross-Reference Index
Part NumberManufacturer
4178765 Fnss Savunma Sistemleri Anonim Sirketi (TUR)
4178765 PRIMARY Bae Systems Land & Armaments L.p. (USA)
300601 Wiba Zevenaar B.v. (NLD)
SNRG.765.0801.01 CAGE A42KJ
Related Parts
5910-00-566-4127INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
6220-00-654-6066INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
30060-1
5910-01-041-9936INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
3120-01-209-8157INTERCHANGEABLE
BUSHING,SLEEVE
3006-01
5340-01-420-0031INTERCHANGEABLE
HANDWHEEL
300601-1
5340-01-626-6702INTERCHANGEABLE
MAGNET,PERMANENT
7025-01-702-3248INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR

Frequently Asked Questions

What is NSN 3020-01-029-8561?

NSN 3020-01-029-8561 is a Pulley,groove, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-029-8561?

NSN 3020-01-029-8561 has 4 cross-referenced part numbers: 4178765 (Fnss Savunma Sistemleri Anonim Sirketi), 4178765 (Bae Systems Land & Armaments L.p.), 300601 (Wiba Zevenaar B.v.), SNRG.765.0801.01.

What NSN replaces 3020-01-029-8561?

There are 7 known substitutes for 3020-01-029-8561: 5910-00-566-4127, 6220-00-654-6066, 5910-01-041-9936 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4178765?

Key specifications for 4178765: Counterbore Feature: NOT INCLUDED; Securing Location: BOTH ENDS; Unable to Decode: UNABLE TO DECODE AND UNABLE TO DECODE; Distance From Outside Flange/rim to Hub End and Location: 0.685 INCHES NOMINAL AA END AND 0.781 INCHES NOMINAL BB 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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