PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40-3Chain,roller

Diamond Chain Co Div of Amsted Industries Inc · NSN 3020-00-269-4099 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-269-4099 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-269-4099. Primary manufacturer part number: 40-3.
Features
  • Chain,roller — FSC 3020
  • Second Chain Link Plate Nominal Thickness: 0.0600 INCHES IN
  • Second Chain Link Plate Width: 0.410 INCHES NOMINAL IN
  • First Chain Link Nominal Width Between Plates: 0.3120 INCHES IN
  • First Chain Link Plate Nominal Thickness: 0.0600 INCHES IN
  • Second Chain Link Pin Nominal Diameter: 0.1562 INCHES IN
  • First Chain Link Plate Width: 0.475 INCHES NOMINAL IN
  • FSC Application Data: DOUGH MIXING MACHINE
Applications
  • Applications requiring Steel construction
General Description

The Chain,roller, cataloged under National Stock Number 3020-00-269-4099, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN3020-00-269-4099
Primary Part Number40-3
Item NameChain,roller
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDiamond Chain Co Div of Amsted Industries Inc
StatusACTIVE
Second Chain Link Plate Nominal Thickness0.0600 INCHES IN
Second Chain Link Plate Width0.410 INCHES NOMINAL IN
First Chain Link Nominal Width Between Plates0.3120 INCHES IN
First Chain Link Plate Nominal Thickness0.0600 INCHES IN
Second Chain Link Pin Nominal Diameter0.1562 INCHES IN
First Chain Link Plate Width0.475 INCHES NOMINAL IN
FSC Application DataDOUGH MIXING MACHINE
Second Chain Link Nominal Width Between Plates0.4320 INCHES IN
Second Chain Link StylePIN
MaterialSTEEL
First Chain Link StyleROLLER
First Chain Link Roller Nominal Diameter0.3120 INCHES IN
Nominal Pitch Distance0.500 INCHES IN
Link Row Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3020-00-275-7767T66 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
MIL-STD-421 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
40-3 PRIMARY Diamond Chain Co Div of Amsted Industries Inc (USA)
40-3-1RC Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
T66 Diamond Chain Co Div of Amsted Industries Inc (USA)
Related Parts
3020-00-275-7767INTERCHANGEABLE
CHAIN,ROLLER
T66
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 3020-00-269-4099?

NSN 3020-00-269-4099 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 3020-00-269-4099?

NSN 3020-00-269-4099 has 4 cross-referenced part numbers: MIL-STD-421 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 40-3 (Diamond Chain Co Div of Amsted Industries Inc), 40-3-1RC (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), T66 (Diamond Chain Co Div of Amsted Industries Inc).

What NSN replaces 3020-00-269-4099?

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

What are the specifications of 40-3?

Key specifications for 40-3: Second Chain Link Plate Nominal Thickness: 0.0600 INCHES IN; Second Chain Link Plate Width: 0.410 INCHES NOMINAL IN; First Chain Link Nominal Width Between Plates: 0.3120 INCHES IN; First Chain Link Plate Nominal Thickness: 0.0600 INCHES IN. 14 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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