PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PITCH121Chain,roller

Schaeff Namco Inc · NSN 3020-01-173-4187 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-173-4187 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-173-4187. Primary manufacturer part number: PITCH121.
Features
  • Chain,roller — FSC 3020
  • Material: STEEL
  • 2 verified cross-references
  • Primary manufacturer: Schaeff Namco Inc
Applications
  • Applications requiring Steel construction
General Description

The Chain,roller, cataloged under National Stock Number 3020-01-173-4187, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Schaeff Namco Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-173-4187
Primary Part NumberPITCH121
Item NameChain,roller
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSchaeff Namco Inc
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-054-5633MS24692-223 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3020-00-115-2110103587 INTERCHANGEABLE
Gear Cluster
Astronautics Corporation of America
5306-01-503-1725103587 INTERCHANGEABLE
Bolt,machine
Cone Drive Operations Inc
Cross-Reference Index
Part NumberManufacturer
PITCH121 Schaeff Namco Inc (USA)
103587 Schaeff Namco Inc (USA)
Related Parts
5315-00-054-5633INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-223
3020-00-115-2110INTERCHANGEABLE
GEAR CLUSTER
103587
5306-01-503-1725INTERCHANGEABLE
BOLT,MACHINE
103587

Frequently Asked Questions

What is NSN 3020-01-173-4187?

NSN 3020-01-173-4187 is a Chain,roller, manufactured by Schaeff Namco Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-173-4187?

NSN 3020-01-173-4187 has 2 cross-referenced part numbers: PITCH121 (Schaeff Namco Inc), 103587 (Schaeff Namco Inc).

What NSN replaces 3020-01-173-4187?

There are 3 known substitutes for 3020-01-173-4187: 5315-00-054-5633, 3020-00-115-2110, 5306-01-503-1725. Verify interchangeability with system specifications before substitution.

What are the specifications of PITCH121?

Key specifications for PITCH121: Material: STEEL. 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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