PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YT199S41-3ALT1ITEM271Chain,roller

Naval Sea Systems Command · NSN 3020-00-252-7347 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-252-7347 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-252-7347. Primary manufacturer part number: YT199S41-3ALT1ITEM271.
Features
  • Chain,roller — FSC 3020
  • Second Chain Link Plate Nominal Thickness: 0.0800 INCHES IN
  • Second Chain Link Nominal Width Between Plates: 0.5350 INCHES IN
  • First Chain Link Plate Width: 0.594 INCHES NOMINAL IN
  • First Chain Link Plate Nominal Thickness: 0.0800 INCHES IN
  • Nominal Pitch Distance: 0.625 INCHES IN
  • Link Row Quantity: 4
  • First Chain Link Roller Nominal Diameter: 0.4000 INCHES IN
Applications
  • Applications requiring Steel construction
General Description

The Chain,roller, cataloged under National Stock Number 3020-00-252-7347, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-252-7347
Primary Part NumberYT199S41-3ALT1ITEM271
Item NameChain,roller
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Second Chain Link Plate Nominal Thickness0.0800 INCHES IN
Second Chain Link Nominal Width Between Plates0.5350 INCHES IN
First Chain Link Plate Width0.594 INCHES NOMINAL IN
First Chain Link Plate Nominal Thickness0.0800 INCHES IN
Nominal Pitch Distance0.625 INCHES IN
Link Row Quantity4
First Chain Link Roller Nominal Diameter0.4000 INCHES IN
MaterialSTEEL
Second Chain Link StylePIN
Second Chain Link Plate Width0.5120 INCHES NOMINAL IN
First Chain Link Nominal Width Between Plates0.3750 INCHES IN
Minimum Tensile Strength19520 POUNDS PER SQUARE INCH LBS
Pin Fastening MethodRIVETED
First Chain Link StyleROLLER
Second Chain Link Pin Nominal Diameter0.2000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-011-6123MS35338-69 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3110-00-156-50181201 INTERCHANGEABLE
Bearing,ball,annular
Kearfott Corporation Div Guidance and Navigation Division
2530-00-272-7518MCFE050 INTERCHANGEABLE
Weight,wheel Balancing
Napa Automotive Parts Co
4920-00-324-1762 INTERCHANGEABLE
Element,heater
5999-00-757-1755 INTERCHANGEABLE
Heater,thermal Release
5950-00-797-37044290-0400 INTERCHANGEABLE
Coil,radio Frequency
Technipower Llc Dba Unipower
5975-00-964-3036F50 INTERCHANGEABLE
Entrance Cap,electrical
Egs Electrical Group Appleton Div
6130-01-011-0559SF-50A INTERCHANGEABLE
Power Supply
Shigamo Development Inc Div American High Voltage
9150-01-059-1557 INTERCHANGEABLE
Lubricating Oil,hydraulic
5120-01-335-0732F50A INTERCHANGEABLE
Handle,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
S3501H3201056PC54 Naval Ship Systems Command (USA)
YT199S41-3ALT1ITEM271 PRIMARY Naval Sea Systems Command (USA)
RC50-4 Fmc Corp Link-Belt Div (USA)
ENL43AITEM271 Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div (USA)
S3501H3201056PC54 PRIMARY Naval Sea Systems Command (USA)
SF252N03 Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div (USA)
YT199S41-3ALT1ITEM271 Naval Ship Systems Command (USA)
QUADRUPLE148 Diamond Chain Co Div of Amsted Industries Inc (USA)
F50 Whitney Chain Operation Power Transmission Div Dresser Industries Inc (USA)
ENM43AITEM325 Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div (USA)
YT206S41-43ITEM271 PRIMARY Naval Sea Systems Command (USA)
50-4 Altra Industrial Motion Corp. (USA)
S3501H3203541PC54 Naval Ship Systems Command (USA)
SF-252#3 Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div (USA)
ASA50-4 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
50-4 Whitney Chain Operation Power Transmission Div Dresser Industries Inc (USA)
Q50 Jeffrey Chain L.p. (USA)
F50 PRIMARY Union Chain Div of Ust Inc (USA)
S3501H3203541PC54 PRIMARY Naval Sea Systems Command (USA)
F50 PRIMARY Rexnord Holdings Inc (USA)
Related Parts
5310-00-011-6123INTERCHANGEABLE
WASHER,LOCK
MS35338-69
3110-00-156-5018INTERCHANGEABLE
BEARING,BALL,ANNULAR
1201
2530-00-272-7518INTERCHANGEABLE
WEIGHT,WHEEL BALANCING
MCFE050
4920-00-324-1762INTERCHANGEABLE
ELEMENT,HEATER
5999-00-757-1755INTERCHANGEABLE
HEATER,THERMAL RELEASE
5950-00-797-3704INTERCHANGEABLE
COIL,RADIO FREQUENCY
4290-0400
5975-00-964-3036INTERCHANGEABLE
ENTRANCE CAP,ELECTRICAL
F50
6130-01-011-0559INTERCHANGEABLE
POWER SUPPLY
SF-50A
9150-01-059-1557INTERCHANGEABLE
LUBRICATING OIL,HYDRAULIC
5120-01-335-0732INTERCHANGEABLE
HANDLE,SOCKET WRENCH
F50A
5999-01-380-1088INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
6605-01-523-2117INTERCHANGEABLE
COMPASS,MAGNETIC,MOUNTED
F-50

Frequently Asked Questions

What is NSN 3020-00-252-7347?

NSN 3020-00-252-7347 is a Chain,roller, manufactured by Naval Sea Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-252-7347?

NSN 3020-00-252-7347 has 26 cross-referenced part numbers: S3501H3201056PC54 (Naval Ship Systems Command), YT199S41-3ALT1ITEM271 (Naval Sea Systems Command), RC50-4 (Fmc Corp Link-Belt Div), ENL43AITEM271 (Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div), S3501H3201056PC54 (Naval Sea Systems Command) and 21 more.

What NSN replaces 3020-00-252-7347?

There are 12 known substitutes for 3020-00-252-7347: 5310-00-011-6123, 3110-00-156-5018, 2530-00-272-7518 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of YT199S41-3ALT1ITEM271?

Key specifications for YT199S41-3ALT1ITEM271: Second Chain Link Plate Nominal Thickness: 0.0800 INCHES IN; Second Chain Link Nominal Width Between Plates: 0.5350 INCHES IN; First Chain Link Plate Width: 0.594 INCHES NOMINAL IN; First Chain Link Plate Nominal Thickness: 0.0800 INCHES IN. 15 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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