PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7081-1Insert,pulley

American Block Company Dba American Block Manufacturing Co. · NSN 3020-01-387-8536 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-387-8536 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-387-8536. Primary manufacturer part number: 7081-1.
Features
  • Insert,pulley — FSC 3020
  • General Characteristics Item Description: THREE EACH 120 DEGREE SEGMENT NYLATRON SHEAVE INSERT FOR 1 IN. NOM. 6 BY 19 IN. WIRE ROPE IN
  • 1 verified cross-reference
  • Primary manufacturer: American Block Company Dba American Block Manufacturing Co.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insert,pulley, cataloged under National Stock Number 3020-01-387-8536, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is American Block Company Dba American Block Manufacturing Co.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3020-01-387-8536
Primary Part Number7081-1
Item NameInsert,pulley
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAmerican Block Company Dba American Block Manufacturing Co.
StatusACTIVE
General Characteristics Item DescriptionTHREE EACH 120 DEGREE SEGMENT NYLATRON SHEAVE INSERT FOR 1 IN. NOM. 6 BY 19 IN. WIRE ROPE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-100-36251240077H1 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Dressta North America Ltd
5310-00-550-812470811 INTERCHANGEABLE
Washer,flat
Cummins Inc.
5935-01-240-412210556106 INTERCHANGEABLE
Adapter,connector
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5330-01-389-1141021-06607 NON-ASBESTOS INTERCHANGEABLE
Gasket
Grove Valve Operations
3040-01-518-04017081-1 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5310-01-559-393670811 INTERCHANGEABLE
Nut,plain,hexagon
Fastenal Company Div Flpan
Cross-Reference Index
Part NumberManufacturer
7081-1 American Block Company Dba American Block Manufacturing Co. (USA)
Related Parts
3110-00-100-3625INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1240077H1
5310-00-550-8124INTERCHANGEABLE
WASHER,FLAT
70811
5935-01-240-4122INTERCHANGEABLE
ADAPTER,CONNECTOR
10556106
5330-01-389-1141INTERCHANGEABLE
GASKET
021-06607 NON-ASBESTOS
3040-01-518-0401INTERCHANGEABLE
CONNECTING LINK,RIGID
7081-1
5310-01-559-3936INTERCHANGEABLE
NUT,PLAIN,HEXAGON
70811

Frequently Asked Questions

What is NSN 3020-01-387-8536?

NSN 3020-01-387-8536 is a Insert,pulley, manufactured by American Block Company Dba American Block Manufacturing Co., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-387-8536?

NSN 3020-01-387-8536 has 1 cross-referenced part number: 7081-1 (American Block Company Dba American Block Manufacturing Co.).

What NSN replaces 3020-01-387-8536?

There are 6 known substitutes for 3020-01-387-8536: 3110-00-100-3625, 5310-00-550-8124, 5935-01-240-4122 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7081-1?

Key specifications for 7081-1: End Item Identification: THREE EACH 120 DEGREEE SEGMENT NYLATRON SHEAVE INSERT FOR 1 IN. NOM 6 BY 19 IN. WIRE ROPE IN; General Characteristics Item Description: THREE EACH 120 DEGREE SEGMENT NYLATRON SHEAVE INSERT FOR 1 IN. NOM. 6 BY 19 IN. WIRE ROPE IN. 2 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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