PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49019Valve,check

Eaton Corporation Dba Eaton Inoac Div Eaton · NSN 4820-01-162-5095 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-162-5095 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-162-5095. Primary manufacturer part number: 49019.
Features
  • Valve,check — FSC 4820
  • Material: STEEL BODY
  • Thread Series Designator: UN ALL ENDS
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL FLOW CONTROL DEVICE
  • Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE
  • Valve Operation Method: AUTOMATIC
  • Connection Style: PLAIN (TUBE) ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-162-5095, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 17 verified specifications, 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
NSN4820-01-162-5095
Primary Part Number49019
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac Div Eaton
StatusACTIVE
MaterialSTEEL BODY
Thread Series DesignatorUN ALL ENDS
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL FLOW CONTROL DEVICE
Media for Which DesignedOIL, HYDRAULIC SINGLE RESPONSE
Valve Operation MethodAUTOMATIC
Connection StylePLAIN (TUBE) ALL ENDS
Thread Class2A ALL ENDS A
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Material Document and ClassificationAMS5640 ASSN STD SINGLE MATERIAL RESPONSE BODY
Flow Control DeviceDISK
Mounting PositionHORIZONTAL OR VERTICAL
Nominal Thread Size3.750 INCHES ALL ENDS IN
Thread Quantity Per Inch12 ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Style DesignatorSTRAIGHT THRU
Material Document and ClassificationAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-226-7767 INTERCHANGEABLE
Screw,cap,hexagon Head
2940-01-488-7947 INTERCHANGEABLE
Filter,fluid
1005-01-558-692649019 INTERCHANGEABLE
Mount,sight,small Arms
Fn America Llc Div Columbia, Sc
Cross-Reference Index
Part NumberManufacturer
C49019 Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
49019 PRIMARY Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
Related Parts
5305-00-226-7767INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
2940-01-488-7947INTERCHANGEABLE
FILTER,FLUID
1005-01-558-6926INTERCHANGEABLE
MOUNT,SIGHT,SMALL ARMS
49019

Frequently Asked Questions

What is NSN 4820-01-162-5095?

NSN 4820-01-162-5095 is a Valve,check, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-162-5095?

NSN 4820-01-162-5095 has 2 cross-referenced part numbers: C49019 (Eaton Corporation Dba Eaton Inoac Div Eaton), 49019 (Eaton Corporation Dba Eaton Inoac Div Eaton).

What NSN replaces 4820-01-162-5095?

There are 3 known substitutes for 4820-01-162-5095: 5305-00-226-7767, 2940-01-488-7947, 1005-01-558-6926. Verify interchangeability with system specifications before substitution.

What are the specifications of 49019?

Key specifications for 49019: Material: STEEL BODY; Thread Series Designator: UN ALL ENDS; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL FLOW CONTROL DEVICE. 17 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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