PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6184-5Valve,check

Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect · NSN 4820-00-489-5049 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-489-5049 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-489-5049. Primary manufacturer part number: 6184-5.
Features
  • Valve,check — FSC 4820
  • Connection Style: FLARED (TUBE) FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Material: ALUMINUM BODY
  • Disk Loading Method: SPRING
  • Style Designator: STRAIGHT THRU
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-489-5049, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect. Government technical data includes 19 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-489-5049
Primary Part Number6184-5
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
StatusACTIVE
Connection StyleFLARED (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
MaterialALUMINUM BODY
Disk Loading MethodSPRING
Style DesignatorSTRAIGHT THRU
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
Nominal Thread Size0.562 INCHES FIRST END IN
Seat Angle37.0 DEGREES FIRST END
Thread DirectionRIGHT-HAND SECOND END
Valve Operation MethodAUTOMATIC
Connection StylePLAIN (PIPE) SECOND END
Thread Class3A FIRST END A
Thread Series DesignatorNPT SECOND END
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Thread Size0.250 INCHES SECOND END IN
Thread DirectionRIGHT-HAND FIRST END
Mounting PositionHORIZONTAL OR VERTICAL
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1270-00-403-901461845 INTERCHANGEABLE
Gearbox
Cadillac Gage Textron Inc.
4130-01-293-1345KXA-3 INTERCHANGEABLE
Filter-Drier,refrigerant
Oasis Construction Div Supply Nurses
2920-01-573-024561845 INTERCHANGEABLE
Motor,1 HP
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
6184-5 Air Dry Co of America, Llc (USA)
6184-5 PRIMARY Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
Related Parts
1270-00-403-9014INTERCHANGEABLE
GEARBOX
61845
4130-01-293-1345INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
KXA-3
2920-01-573-0245INTERCHANGEABLE
MOTOR,1 HP
61845

Frequently Asked Questions

What is NSN 4820-00-489-5049?

NSN 4820-00-489-5049 is a Valve,check, manufactured by Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-489-5049?

NSN 4820-00-489-5049 has 2 cross-referenced part numbers: 6184-5 (Air Dry Co of America, Llc), 6184-5 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect).

What NSN replaces 4820-00-489-5049?

There are 3 known substitutes for 4820-00-489-5049: 1270-00-403-9014, 4130-01-293-1345, 2920-01-573-0245. Verify interchangeability with system specifications before substitution.

What are the specifications of 6184-5?

Key specifications for 6184-5: Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Material: ALUMINUM BODY; Disk Loading Method: SPRING. 19 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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