PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49F9798-17Cock,plug

Department of the Air Force · NSN 4820-00-202-6414 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-202-6414 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-202-6414. Primary manufacturer part number: 49F9798-17.
Features
  • Cock,plug — FSC 4820
  • Seat Angle: 60.0 DEGREES FIRST END
  • Bolt Hole Quantity: 4 SECOND END
  • Valve Operation Method: MANUAL
  • Center to Center Nominal Distance Between Bolt Holes Along Width: 0.720 INCHES SECOND END IN
  • Thread Series Designator: UNF FIRST END
  • Connection Type: FLANGE SECOND END
  • Connection Type: THREADED INTERNAL TUBE FIRST END
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cock,plug, cataloged under National Stock Number 4820-00-202-6414, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-202-6414
Primary Part Number49F9798-17
Item NameCock,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Seat Angle60.0 DEGREES FIRST END
Bolt Hole Quantity4 SECOND END
Valve Operation MethodMANUAL
Center to Center Nominal Distance Between Bolt Holes Along Width0.720 INCHES SECOND END IN
Thread Series DesignatorUNF FIRST END
Connection TypeFLANGE SECOND END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Thread Quantity Per Inch18 FIRST END
Features ProvidedNONADJUSTABLE ROTATION
Bolt Hole Nominal Diameter0.272 INCHES SECOND END IN
Connection StyleGASKET SEAL (BOSS) FIRST END
Flange Face DesignRAISED STRAIGHT SECOND END
Seat Angle60.0 DEGREES FIRST END
Thread Class3B FIRST END
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Flow StyleTWO WAY TWO PORT 90 DEGREE PLUG TURN
Nominal Width1.000 INCHES SECOND END IN
Nominal Length1.000 INCHES SECOND END IN
Center to Center Nominal Distance Between Bolt Holes Along Length0.720 INCHES FIRST END IN
Nominal Thread Size0.562 INCHES FIRST END IN
Thread DirectionRIGHT-HAND FIRST END
Nominal Thickness0.203 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Nominal Thread Size0.562 INCHES FIRST END IN
Center to Center Nominal Distance Between Bolt Holes Along Width0.720 INCHES SECOND END IN
Thread Quantity Per Inch18 FIRST END
Nominal Thickness0.203 INCHES SECOND END IN
Bolt Hole Nominal Diameter0.272 INCHES SECOND END IN
Features ProvidedNONADJUSTABLE ROTATION
Thread Series DesignatorUNF FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3040-00-388-373372512 INTERCHANGEABLE
Shaft,straight
Dressta North America Ltd
5360-00-754-468172512 INTERCHANGEABLE
Spring,helical,extension
Abd Intl Inc Dba Abdick
2640-00-859-0382211-BULK INTERCHANGEABLE
Nut,valve Stem,pneumatic Tire
Dill Air Controls Products Llc Dba Dill Air Controls Products Llc
4820-00-913-8494 INTERCHANGEABLE
Valve,globe
Cross-Reference Index
Part NumberManufacturer
49F9798-17 Department of the Air Force (USA)
7251-2 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
Related Parts
3040-00-388-3733INTERCHANGEABLE
SHAFT,STRAIGHT
72512
5360-00-754-4681INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
72512
2640-00-859-0382INTERCHANGEABLE
NUT,VALVE STEM,PNEUMATIC TIRE
211-BULK
4820-00-913-8494INTERCHANGEABLE
VALVE,GLOBE

Frequently Asked Questions

What is NSN 4820-00-202-6414?

NSN 4820-00-202-6414 is a Cock,plug, manufactured by Department of the Air Force, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-202-6414?

NSN 4820-00-202-6414 has 2 cross-referenced part numbers: 49F9798-17 (Department of the Air Force), 7251-2 (Parker Hannifin Corporation Div Aerospace Group Headquarters).

What NSN replaces 4820-00-202-6414?

There are 4 known substitutes for 4820-00-202-6414: 3040-00-388-3733, 5360-00-754-4681, 2640-00-859-0382 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49F9798-17?

Key specifications for 49F9798-17: Seat Angle: 60.0 DEGREES FIRST END; Bolt Hole Quantity: 4 SECOND END; Valve Operation Method: MANUAL; Center to Center Nominal Distance Between Bolt Holes Along Width: 0.720 INCHES SECOND END IN. 30 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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