PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1877-1Chain,silent

Cummins Inc. · NSN 3020-00-611-2124 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-611-2124 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-611-2124. Primary manufacturer part number: S1877-1.
Features
  • Chain,silent — FSC 3020
  • Effective Length: 0.9167 FEET NOMINAL FT
  • Material: STEEL
  • Link Row Quantity: 19
  • Nominal Pitch Distance: 0.500 INCHES IN
  • Link Style: CENTER GUIDE
  • Link Nominal Width: 1.2500 INCHES IN
  • 3 verified cross-references
Applications
  • Applications requiring Steel construction
General Description

The Chain,silent, cataloged under National Stock Number 3020-00-611-2124, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-611-2124
Primary Part NumberS1877-1
Item NameChain,silent
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Effective Length0.9167 FEET NOMINAL FT
MaterialSTEEL
Link Row Quantity19
Nominal Pitch Distance0.500 INCHES IN
Link StyleCENTER GUIDE
Link Nominal Width1.2500 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5310-00-021-85701883 INTERCHANGEABLE
Nut,plain,hexagon
Kentucky Mfg Co
5985-00-296-245010769 INTERCHANGEABLE
Coupler,antenna
Smart Machines, Inc. Dba Barker and Williamson
2990-00-411-24791883 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5330-00-485-72291883 INTERCHANGEABLE
Ring,wiper
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5950-00-573-13561883 INTERCHANGEABLE
Transformer
Magnetek Inc Lighting Products Group
3020-00-737-12077371207 INTERCHANGEABLE
Gear,helical
U S Army Tank Automotive Command Amsta-Im-Mm
5360-00-980-96601883 INTERCHANGEABLE
Spring,helical,compression
Lawler Manufacturing Company, Inc.
5310-01-101-47691883 INTERCHANGEABLE
Nut,plain,square
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4820-01-107-6032188-3 INTERCHANGEABLE
Valve,check
Admiral Valve Llc Dba Cpv Manufacturing
6515-01-210-95221883 INTERCHANGEABLE
Nebulizer,medicinal
Teleflex Llc
Cross-Reference Index
Part NumberManufacturer
S1877-1 PRIMARY Cummins Inc. (USA)
1883 Emerson Power Transmission Corporation Div Ept (USA)
S18771 Cummins Inc. (USA)
Related Parts
5310-00-021-8570INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1883
5985-00-296-2450INTERCHANGEABLE
COUPLER,ANTENNA
10769
2990-00-411-2479INTERCHANGEABLE
MUFFLER,EXHAUST
1883
5330-00-485-7229INTERCHANGEABLE
RING,WIPER
1883
5950-00-573-1356INTERCHANGEABLE
TRANSFORMER
1883
3020-00-737-1207INTERCHANGEABLE
GEAR,HELICAL
7371207
5360-00-980-9660INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1883
5310-01-101-4769INTERCHANGEABLE
NUT,PLAIN,SQUARE
1883
4820-01-107-6032INTERCHANGEABLE
VALVE,CHECK
188-3
6515-01-210-9522INTERCHANGEABLE
NEBULIZER,MEDICINAL
1883
5996-01-279-3242INTERCHANGEABLE
AMPLIFIER,INTERMEDIATE FREQUENCY
1883A

Frequently Asked Questions

What is NSN 3020-00-611-2124?

NSN 3020-00-611-2124 is a Chain,silent, manufactured by Cummins Inc., classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-611-2124?

NSN 3020-00-611-2124 has 3 cross-referenced part numbers: S1877-1 (Cummins Inc.), 1883 (Emerson Power Transmission Corporation Div Ept), S18771 (Cummins Inc.).

What NSN replaces 3020-00-611-2124?

There are 11 known substitutes for 3020-00-611-2124: 5310-00-021-8570, 5985-00-296-2450, 2990-00-411-2479 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1877-1?

Key specifications for S1877-1: Effective Length: 0.9167 FEET NOMINAL FT; Material: STEEL; Special Features: WITH CONNECTING PIN AND ROLL PIN; Link Row Quantity: 19. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-611-2124 still in active supply?

NSN 3020-00-611-2124 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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