PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51138Pulley,engine Starter Rope

Mcculloch Corp · NSN 3020-00-836-1780 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-836-1780 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-836-1780. Primary manufacturer part number: 51138.
Features
  • Pulley,engine Starter Rope — FSC 3020
  • Hub: NOT INCLUDED
  • Bore Type: STRAIGHT
  • Surface Treatment: CADMIUM
  • Material: STEEL
  • Length: 0.455 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
  • Diameter: 0.380 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
  • Rope Accommodation Width: 0.455 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
  • Applications requiring Steel construction
General Description

The Pulley,engine Starter Rope, cataloged under National Stock Number 3020-00-836-1780, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Mcculloch Corp. Government technical data includes 10 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-836-1780
Primary Part Number51138
Item NamePulley,engine Starter Rope
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMcculloch Corp
StatusACTIVE
HubNOT INCLUDED
Bore TypeSTRAIGHT
Surface TreatmentCADMIUM
MaterialSTEEL
Length0.455 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
Diameter0.380 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
Rope Accommodation Width0.455 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
Rope Accommodation Diameter0.620 INCHES NOMINAL IN
Outside Diameter0.880 INCHES NOMINAL IN
Face ShapeGROOVED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2940-00-019-808751138 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5330-00-149-2335 INTERCHANGEABLE
Retainer,packing
3110-00-224-452551138 INTERCHANGEABLE
Bearing,ball,thrust
Schaeffler Group Usa Inc
5985-01-068-46513150074-1 INTERCHANGEABLE
Coupler,directional
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
7510-01-306-27157756 INTERCHANGEABLE
Ribbon,inking
Epson America Inc
5360-01-630-1913S-1138 INTERCHANGEABLE
Spring,helical,compression
Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.
Cross-Reference Index
Part NumberManufacturer
51138 Black and Decker Us Inc (USA)
51138 PRIMARY Mcculloch Corp (USA)
Related Parts
2940-00-019-8087INTERCHANGEABLE
FILTER ELEMENT,FLUID
51138
5330-00-149-2335INTERCHANGEABLE
RETAINER,PACKING
3110-00-224-4525INTERCHANGEABLE
BEARING,BALL,THRUST
51138
5985-01-068-4651INTERCHANGEABLE
COUPLER,DIRECTIONAL
3150074-1
7510-01-306-2715INTERCHANGEABLE
RIBBON,INKING
7756
5360-01-630-1913INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
S-1138

Frequently Asked Questions

What is NSN 3020-00-836-1780?

NSN 3020-00-836-1780 is a Pulley,engine Starter Rope, manufactured by Mcculloch Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-836-1780?

NSN 3020-00-836-1780 has 2 cross-referenced part numbers: 51138 (Black and Decker Us Inc), 51138 (Mcculloch Corp).

What NSN replaces 3020-00-836-1780?

There are 6 known substitutes for 3020-00-836-1780: 2940-00-019-8087, 5330-00-149-2335, 3110-00-224-4525 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51138?

Key specifications for 51138: Hub: NOT INCLUDED; Bore Type: STRAIGHT; Surface Treatment: CADMIUM; Material: STEEL. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com