PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820-21Sprocket Wheel

Insinger Machine Co · NSN 3020-01-239-7713 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-239-7713 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-239-7713. Primary manufacturer part number: 820-21.
Features
  • Sprocket Wheel — FSC 3020
  • 1 verified cross-reference
  • Primary manufacturer: Insinger Machine Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sprocket Wheel, cataloged under National Stock Number 3020-01-239-7713, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Insinger Machine Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-239-7713
Primary Part Number820-21
Item NameSprocket Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerInsinger Machine Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-733-370210B INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
5331-01-101-806740022400 INTERCHANGEABLE
O-Ring
Hatz Diesel of America Inc
5962-01-169-8024 INTERCHANGEABLE
Microcircuit,digital
5962-01-252-0808 INTERCHANGEABLE
Microcircuit,digital
5915-01-255-8696 INTERCHANGEABLE
Filter,radio Frequency Interfere
5962-01-264-2997 INTERCHANGEABLE
Microcircuit,digital
5962-01-264-3000 INTERCHANGEABLE
Microcircuit,digital
5962-01-264-3001 INTERCHANGEABLE
Microcircuit,digital
5962-01-264-3003 INTERCHANGEABLE
Microcircuit,digital
5962-01-275-8303 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
820-21 PRIMARY Insinger Machine Co (USA)
Related Parts
6625-00-733-3702INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
10B
5331-01-101-8067INTERCHANGEABLE
O-RING
40022400
5962-01-169-8024INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-252-0808INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5915-01-255-8696INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5962-01-264-2997INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-264-3000INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-264-3001INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-264-3003INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-275-8303INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-342-7555INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
1005-01-357-4806INTERCHANGEABLE
SIGHT,FRONT
82021

Frequently Asked Questions

What is NSN 3020-01-239-7713?

NSN 3020-01-239-7713 is a Sprocket Wheel, manufactured by Insinger Machine Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-239-7713?

NSN 3020-01-239-7713 has 1 cross-referenced part number: 820-21 (Insinger Machine Co).

What NSN replaces 3020-01-239-7713?

There are 12 known substitutes for 3020-01-239-7713: 6625-00-733-3702, 5331-01-101-8067, 5962-01-169-8024 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 820-21?

Key specifications for 820-21: End Item Identification: INSINGER MACHINE POWER UNLOADER MODEL 41B11 AND D2416. 1 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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