PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400450Pulley,flat

Telemechanics Inc · NSN 3020-01-016-2677 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-016-2677 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-016-2677. Primary manufacturer part number: 400450.
Features
  • Pulley,flat — FSC 3020
  • Outside Diameter: 0.622 INCHES NOMINAL IN
  • Flange Thickness: 0.079 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Telemechanics Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pulley,flat, cataloged under National Stock Number 3020-01-016-2677, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 2 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-016-2677
Primary Part Number400450
Item NamePulley,flat
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Outside Diameter0.622 INCHES NOMINAL IN
Flange Thickness0.079 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5306-00-151-0777 INTERCHANGEABLE
Bolt,machine
4820-01-084-8690 INTERCHANGEABLE
Stem,fluid Valve
4820-01-121-0918400450 INTERCHANGEABLE
Stem,fluid Valve
Hunt Valve Company, Inc.
5330-01-332-7296400450 INTERCHANGEABLE
Retainer,packing
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
400450 American Telephone and Telegraph Co (USA)
400450 PRIMARY Telemechanics Inc (USA)
Related Parts
5306-00-151-0777INTERCHANGEABLE
BOLT,MACHINE
4820-01-084-8690INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-121-0918INTERCHANGEABLE
STEM,FLUID VALVE
400450
5330-01-332-7296INTERCHANGEABLE
RETAINER,PACKING
400450

Frequently Asked Questions

What is NSN 3020-01-016-2677?

NSN 3020-01-016-2677 is a Pulley,flat, manufactured by Telemechanics Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-016-2677?

NSN 3020-01-016-2677 has 2 cross-referenced part numbers: 400450 (American Telephone and Telegraph Co), 400450 (Telemechanics Inc).

What NSN replaces 3020-01-016-2677?

There are 4 known substitutes for 3020-01-016-2677: 5306-00-151-0777, 4820-01-084-8690, 4820-01-121-0918 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400450?

Key specifications for 400450: Outside Diameter: 0.622 INCHES NOMINAL IN; Flange Thickness: 0.079 INCHES NOMINAL IN; End Item Identification: TELETYPE PRINTER M-40; Special Features: FLANGE DIA 0.557;HOLE DIA 0.155. 4 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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