PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

818-16Pulley,groove

Insinger Machine Co · NSN 3020-01-172-3221 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-172-3221 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-172-3221. Primary manufacturer part number: 818-16.
Features
  • Pulley,groove — FSC 3020
  • Material: STEEL OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Insinger Machine Co
Applications
  • Applications requiring Steel Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-172-3221, 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. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-172-3221
Primary Part Number818-16
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerInsinger Machine Co
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-391-840181816 INTERCHANGEABLE
Screw,adjusting
Ashcroft Inc Dba Heise
5133-00-838-5261 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
818-16 PRIMARY Insinger Machine Co (USA)
Related Parts
5305-00-391-8401INTERCHANGEABLE
SCREW,ADJUSTING
81816
5133-00-838-5261INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 3020-01-172-3221?

NSN 3020-01-172-3221 is a Pulley,groove, manufactured by Insinger Machine Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-172-3221?

NSN 3020-01-172-3221 has 1 cross-referenced part number: 818-16 (Insinger Machine Co).

What NSN replaces 3020-01-172-3221?

There are 2 known substitutes for 3020-01-172-3221: 5305-00-391-8401, 5133-00-838-5261. Verify interchangeability with system specifications before substitution.

What are the specifications of 818-16?

Key specifications for 818-16: Material: STEEL OVERALL. 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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