PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8148650Valve,check

Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force · NSN 4820-00-528-2356 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-528-2356 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-528-2356. Primary manufacturer part number: 8148650.
Features
  • Valve,check — FSC 4820
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Thread Direction: RIGHT-HAND SECOND END
  • Thread Quantity Per Inch: 18 SECOND END
  • Connection Style: INVERTED FLARE (TUBE) SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN
  • Seat Angle: 37.0 DEGREES FIRST END
  • Face to Face Distance: 2.125 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-00-528-2356, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-528-2356
Primary Part Number8148650
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAir Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
StatusCANCELLED
Nominal Thread Size0.500 INCHES FIRST END IN
Thread DirectionRIGHT-HAND SECOND END
Thread Quantity Per Inch18 SECOND END
Connection StyleINVERTED FLARE (TUBE) SECOND END
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST END IN
Seat Angle37.0 DEGREES FIRST END
Face to Face Distance2.125 INCHES IN
Thread Series DesignatorANPT SECOND END
Nondefinitive Spec/std DataG STYLE
Media for Which DesignedOXYGEN, GASEOUS SINGLE RESPONSE
Thread DirectionRIGHT-HAND FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Quantity Per Inch20 FIRST END
Nominal Thread Size0.250 INCHES SECOND END IN
Operating Pressure450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Mounting PositionHORIZONTAL
Style DesignatorSTRAIGHT THRU
Connection TypeTHREADED EXTERNAL TUBE FIRST END
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.).
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Thread Class3A FIRST END A
Thread Series DesignatorUNF FIRST END
Flow Control DeviceCONE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-032112601853 INTERCHANGEABLE
Cup,tapered Roller Bearing
U S Army Tank Automotive Command Amsta-Im-Mm
2910-00-218-1323 INTERCHANGEABLE
Pump,fuel
3439-00-270-377146S670 INTERCHANGEABLE
Brazing Alloy,silver
Naval Sea Systems Command
4130-00-276-04039803 INTERCHANGEABLE
Filter Element,air Conditioning
Research Products Corp
4130-00-289-8221124811-1 INTERCHANGEABLE
Filter Element,air Conditioning
Falls Filtration Technologies, Inc.
5935-00-402-7184 INTERCHANGEABLE
Connector,plug,electrical
5950-00-487-79202292 INTERCHANGEABLE
Transformer,power
Precision Electronics, Inc
4920-00-494-88909803 INTERCHANGEABLE
Indicator,unit Assy
Daytronic Corporation
4820-00-528-2358 INTERCHANGEABLE
Valve,check
4820-00-528-2359 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
9803 Mission Systems Orchard Park Inc (USA)
43A9036 Army Air Force Drawings Under Custodianship of the Air Force
9803 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
M7908-7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN6036-1 Aeronautical Standards Group Dept of Navy and Air Force (USA)
2292 Scovill Inc Schrader Bellows Div (USA)
4201 Fluid Power, Inc. (USA)
MS21211-7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
43A9036 Department of the Air Force (USA)
2292M Scovill Inc Schrader Bellows Div (USA)
43A9036 Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc (USA)
9803 Fluid Power, Inc. (USA)
MIL-PRF-7908 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-100-0321INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
12601853
2910-00-218-1323INTERCHANGEABLE
PUMP,FUEL
3439-00-270-3771INTERCHANGEABLE
BRAZING ALLOY,SILVER
46S670
4130-00-276-0403INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
9803
4130-00-289-8221INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
124811-1
5935-00-402-7184INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5950-00-487-7920INTERCHANGEABLE
TRANSFORMER,POWER
2292
4920-00-494-8890INTERCHANGEABLE
INDICATOR,UNIT ASSY
9803
4820-00-528-2358INTERCHANGEABLE
VALVE,CHECK
4820-00-528-2359INTERCHANGEABLE
VALVE,CHECK
4820-00-528-2360INTERCHANGEABLE
VALVE,CHECK
4820-00-528-2363INTERCHANGEABLE
VALVE,CHECK

Frequently Asked Questions

What is NSN 4820-00-528-2356?

NSN 4820-00-528-2356 is a Valve,check, manufactured by Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-528-2356?

NSN 4820-00-528-2356 has 14 cross-referenced part numbers: 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 9803 (Mission Systems Orchard Park Inc), 43A9036 (Army Air Force Drawings Under Custodianship of the Air Force), 9803 (Ingersoll-Rand Company Dba Ingersoll-Rand), M7908-7 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 9 more.

What NSN replaces 4820-00-528-2356?

There are 12 known substitutes for 4820-00-528-2356: 3110-00-100-0321, 2910-00-218-1323, 3439-00-270-3771 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8148650?

Key specifications for 8148650: Nominal Thread Size: 0.500 INCHES FIRST END IN; Thread Direction: RIGHT-HAND SECOND END; Thread Quantity Per Inch: 18 SECOND END; Connection Style: INVERTED FLARE (TUBE) SECOND END. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-528-2356 still in active supply?

NSN 4820-00-528-2356 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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