PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9809Valve,check

Ingersoll-Rand Company Dba Ingersoll-Rand · NSN 4820-00-528-2363 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-528-2363 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-528-2363. Primary manufacturer part number: 9809.
Features
  • Valve,check — FSC 4820
  • Operating Pressure: 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Thread Quantity Per Inch: 20 FIRST END
  • Thread Direction: RIGHT-HAND FIRST END
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Seat Angle: 37.0 DEGREES FIRST END
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Test Data Document: 81349-MIL-V-7908 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-00-528-2363, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN4820-00-528-2363
Primary Part Number9809
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerIngersoll-Rand Company Dba Ingersoll-Rand
StatusACTIVE
Operating Pressure450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Quantity Per Inch20 FIRST END
Thread DirectionRIGHT-HAND FIRST END
Mounting PositionHORIZONTAL OR VERTICAL
Seat Angle37.0 DEGREES FIRST END
Nominal Thread Size0.500 INCHES FIRST END IN
Test Data Document81349-MIL-V-7908 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Thread Series DesignatorUNF FIRST END
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST END IN
Media for Which DesignedOXYGEN, GASEOUS SINGLE RESPONSE
Connection StyleFLARED (TUBE) FIRST END
Thread Class3A FIRST END A
Nondefinitive Spec/std DataB STYLE
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Flow Control DeviceCONE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5965-00-280-96693102-1 INTERCHANGEABLE
Cushion,ear
Telephone Company of America Incorporated
4510-00-309-2888 INTERCHANGEABLE
Breaker,vacuum,flush Valve
4820-00-528-2356 INTERCHANGEABLE
Valve,check
4820-00-528-2358 INTERCHANGEABLE
Valve,check
4820-00-528-2359 INTERCHANGEABLE
Valve,check
4820-00-528-2360 INTERCHANGEABLE
Valve,check
4820-00-529-31984390 INTERCHANGEABLE
Valve,check
Fluid Power, Inc.
5915-00-690-171210185975 INTERCHANGEABLE
Filter,band Pass
Us Army Aviation and Missile Command
5910-00-763-38422292165 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
L3harris Technologies, Inc.
5999-00-779-3613 INTERCHANGEABLE
Heater,thermal Release
Cross-Reference Index
Part NumberManufacturer
9809 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
9809 Fluid Power, Inc. (USA)
1669M Scovill Inc Schrader Bellows Div (USA)
M7908-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN6031-1 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
MS21211-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-7908 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9809 Mission Systems Orchard Park Inc (USA)
Related Parts
5965-00-280-9669INTERCHANGEABLE
CUSHION,EAR
3102-1
4510-00-309-2888INTERCHANGEABLE
BREAKER,VACUUM,FLUSH VALVE
4820-00-528-2356INTERCHANGEABLE
VALVE,CHECK
4820-00-528-2358INTERCHANGEABLE
VALVE,CHECK
4820-00-528-2359INTERCHANGEABLE
VALVE,CHECK
4820-00-528-2360INTERCHANGEABLE
VALVE,CHECK
4820-00-529-3198INTERCHANGEABLE
VALVE,CHECK
4390
5915-00-690-1712INTERCHANGEABLE
FILTER,BAND PASS
10185975
5910-00-763-3842INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
2292165
5999-00-779-3613INTERCHANGEABLE
HEATER,THERMAL RELEASE
5995-00-960-7871INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
9809
5330-01-160-9849INTERCHANGEABLE
SEAL,PLAIN
9809

Frequently Asked Questions

What is NSN 4820-00-528-2363?

NSN 4820-00-528-2363 is a Valve,check, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-528-2363?

NSN 4820-00-528-2363 has 8 cross-referenced part numbers: 9809 (Ingersoll-Rand Company Dba Ingersoll-Rand), 9809 (Fluid Power, Inc.), 1669M (Scovill Inc Schrader Bellows Div), M7908-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AN6031-1 (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group) and 3 more.

What NSN replaces 4820-00-528-2363?

There are 12 known substitutes for 4820-00-528-2363: 5965-00-280-9669, 4510-00-309-2888, 4820-00-528-2356 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9809?

Key specifications for 9809: Operating Pressure: 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Thread Quantity Per Inch: 20 FIRST END; Thread Direction: RIGHT-HAND FIRST END; Mounting Position: HORIZONTAL OR VERTICAL. 16 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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