PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9807Valve,check

Mission Systems Orchard Park Inc · NSN 4820-00-528-2359 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-528-2359 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-528-2359. Primary manufacturer part number: 9807.
Features
  • Valve,check — FSC 4820
  • Thread Quantity Per Inch: 20 FIRST END
  • Thread Class: 3A FIRST END A
  • Connection Style: FLARED (TUBE) FIRST END
  • Seat Angle: 37.0 DEGREES FIRST END
  • Nominal Outside Diameter Tube Accommodated: 0.312 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.).
  • Nondefinitive Spec/std Data: C STYLE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-00-528-2359, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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
NSN4820-00-528-2359
Primary Part Number9807
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Thread Quantity Per Inch20 FIRST END
Thread Class3A FIRST END A
Connection StyleFLARED (TUBE) FIRST END
Seat Angle37.0 DEGREES FIRST END
Nominal Outside Diameter Tube Accommodated0.312 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.).
Nondefinitive Spec/std DataC STYLE
Media for Which DesignedOXYGEN, GASEOUS SINGLE RESPONSE
Nominal Thread Size0.500 INCHES FIRST END IN
Operating Pressure450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Mounting PositionHORIZONTAL OR VERTICAL
Thread DirectionRIGHT-HAND FIRST END
Flow Control DeviceCONE
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Series DesignatorUNF FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-148-4815 INTERCHANGEABLE
Beam,structural
5310-00-229-28309807A INTERCHANGEABLE
Washer
Pakon Inc Dba Impak Division
6145-00-444-67703-2062B INTERCHANGEABLE
Cable,radio Frequency
Communication Cable Inc Saxton Wire and Cable Div
4820-00-528-2356 INTERCHANGEABLE
Valve,check
4820-00-528-2358 INTERCHANGEABLE
Valve,check
4820-00-528-2360 INTERCHANGEABLE
Valve,check
4820-00-528-2363 INTERCHANGEABLE
Valve,check
4820-00-529-31984390 INTERCHANGEABLE
Valve,check
Fluid Power, Inc.
5940-00-642-3962306-0135-00 INTERCHANGEABLE
Terminal,feedthru
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4510-01-038-2363 INTERCHANGEABLE
Breaker,vacuum,flush Valve
Cross-Reference Index
Part NumberManufacturer
9807 Mission Systems Orchard Park Inc (USA)
9807 Fluid Power, Inc. (USA)
2288M Scovill Inc Schrader Bellows Div (USA)
AN6032-1 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
V7908 Military Specifications Promulgated by Military Departments/agencies 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
9807 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
MS21211-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M7908-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
9540-00-148-4815INTERCHANGEABLE
BEAM,STRUCTURAL
5310-00-229-2830INTERCHANGEABLE
WASHER
9807A
6145-00-444-6770INTERCHANGEABLE
CABLE,RADIO FREQUENCY
3-2062B
4820-00-528-2356INTERCHANGEABLE
VALVE,CHECK
4820-00-528-2358INTERCHANGEABLE
VALVE,CHECK
4820-00-528-2360INTERCHANGEABLE
VALVE,CHECK
4820-00-528-2363INTERCHANGEABLE
VALVE,CHECK
4820-00-529-3198INTERCHANGEABLE
VALVE,CHECK
4390
5940-00-642-3962INTERCHANGEABLE
TERMINAL,FEEDTHRU
306-0135-00
4510-01-038-2363INTERCHANGEABLE
BREAKER,VACUUM,FLUSH VALVE
6530-01-218-7461INTERCHANGEABLE
URINAL,INCONTINENT
9807
4820-01-698-3242INTERCHANGEABLE
VALVE,RESTRICTOR CHECK
NGV500AES07

Frequently Asked Questions

What is NSN 4820-00-528-2359?

NSN 4820-00-528-2359 is a Valve,check, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-528-2359?

NSN 4820-00-528-2359 has 9 cross-referenced part numbers: 9807 (Mission Systems Orchard Park Inc), 9807 (Fluid Power, Inc.), 2288M (Scovill Inc Schrader Bellows Div), AN6032-1 (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group), V7908 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 4820-00-528-2359?

There are 12 known substitutes for 4820-00-528-2359: 9540-00-148-4815, 5310-00-229-2830, 6145-00-444-6770 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9807?

Key specifications for 9807: Thread Quantity Per Inch: 20 FIRST END; Thread Class: 3A FIRST END A; Connection Style: FLARED (TUBE) FIRST END; Seat Angle: 37.0 DEGREES FIRST END. 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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