PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T66Chain,roller

Diamond Chain Co Div of Amsted Industries Inc · NSN 3020-00-275-7767 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-275-7767 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-275-7767. Primary manufacturer part number: T66.
Features
  • Chain,roller — FSC 3020
  • Link Plate Width at Pin End: 0.410 INCHES NOMINAL IN
  • Link Nominal Width Between Plates: 0.3120 INCHES IN
  • Link Plate Width: 0.452 INCHES NOMINAL IN
  • Link Plate Nominal Thickness: 0.0600 INCHES IN
  • Link Roller Nominal Diameter: 0.3120 INCHES IN
  • Minimum Tensile Strength: 11100 POUNDS PER SQUARE INCH LBS
  • Link Pin Nominal Diameter: 0.1560 INCHES IN
Applications
  • Applications requiring Steel construction
General Description

The Chain,roller, cataloged under National Stock Number 3020-00-275-7767, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Diamond Chain Co Div of Amsted Industries Inc. Government technical data includes 9 verified specifications, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-275-7767
Primary Part NumberT66
Item NameChain,roller
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDiamond Chain Co Div of Amsted Industries Inc
StatusACTIVE
Link Plate Width at Pin End0.410 INCHES NOMINAL IN
Link Nominal Width Between Plates0.3120 INCHES IN
Link Plate Width0.452 INCHES NOMINAL IN
Link Plate Nominal Thickness0.0600 INCHES IN
Link Roller Nominal Diameter0.3120 INCHES IN
Minimum Tensile Strength11100 POUNDS PER SQUARE INCH LBS
Link Pin Nominal Diameter0.1560 INCHES IN
MaterialSTEEL
Effective Length6.2500 FEET NOMINAL FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-269-409940-3 INTERCHANGEABLE
Chain,roller
Diamond Chain Co Div of Amsted Industries Inc
5340-00-290-36376009-4 INTERCHANGEABLE
Clamp,loop
Kurz & Root Generator Company, Llc
2940-00-376-8579C121E INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
2910-00-933-0913 INTERCHANGEABLE
Filter,fluid
Cross-Reference Index
Part NumberManufacturer
T66 PRIMARY Diamond Chain Co Div of Amsted Industries Inc (USA)
Related Parts
3020-00-269-4099INTERCHANGEABLE
CHAIN,ROLLER
40-3
5340-00-290-3637INTERCHANGEABLE
CLAMP,LOOP
6009-4
2940-00-376-8579INTERCHANGEABLE
FILTER ELEMENT,FLUID
C121E
2910-00-933-0913INTERCHANGEABLE
FILTER,FLUID

Frequently Asked Questions

What is NSN 3020-00-275-7767?

NSN 3020-00-275-7767 is a Chain,roller, manufactured by Diamond Chain Co Div of Amsted Industries Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-275-7767?

NSN 3020-00-275-7767 has 1 cross-referenced part number: T66 (Diamond Chain Co Div of Amsted Industries Inc).

What NSN replaces 3020-00-275-7767?

There are 4 known substitutes for 3020-00-275-7767: 3020-00-269-4099, 5340-00-290-3637, 2940-00-376-8579 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T66?

Key specifications for T66: Link Plate Width at Pin End: 0.410 INCHES NOMINAL IN; Link Nominal Width Between Plates: 0.3120 INCHES IN; Link Plate Width: 0.452 INCHES NOMINAL IN; Link Plate Nominal Thickness: 0.0600 INCHES IN. 9 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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