PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2188Valve,check

Champion Laboratories, Inc. · NSN 4820-00-816-5719 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-816-5719 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-816-5719. Primary manufacturer part number: 2188.
Features
  • Valve,check — FSC 4820
  • Thread Series Designator: NPT SECOND END
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
  • Valve Operation Method: AUTOMATIC
  • Surface Treatment: CADMIUM
  • Style Designator: STRAIGHT THRU
  • Material: STEEL OVERALL
  • Connection Style: PLAIN (TUBE) FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-816-5719, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Champion Laboratories, Inc.. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-816-5719
Primary Part Number2188
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerChampion Laboratories, Inc.
StatusACTIVE
Thread Series DesignatorNPT SECOND END
Nominal Thread Size0.500 INCHES SECOND END IN
Valve Operation MethodAUTOMATIC
Surface TreatmentCADMIUM
Style DesignatorSTRAIGHT THRU
MaterialSTEEL OVERALL
Connection StylePLAIN (TUBE) FIRST END
Flow Control DeviceBALL
Mounting PositionHORIZONTAL OR VERTICAL
Thread Series DesignatorUNF FIRST END
Disk Loading MethodSPRING
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StylePLAIN, OPTIONAL END (PIPE) SECOND END
Thread DirectionRIGHT-HAND ALL ENDS
Thread Class2A FIRST END A
Connection TypeTHREADED INTERNAL PIPE SECOND END
Nominal Thread Size0.625 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2990-00-103-8245 INTERCHANGEABLE
Control Assembly,push-Pull
6610-00-231-52562188 INTERCHANGEABLE
Gear Box Assembly
Mission Systems Davenport Inc.
5330-00-256-81562188 INTERCHANGEABLE
Gasket
Bae Systems Land & Armaments L.p.
5360-00-506-9533 INTERCHANGEABLE
Spring,helical,compression
5325-00-616-506100052 ST 5 INTERCHANGEABLE
Grommet,nonmetallic
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5910-00-690-9467 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
5325-00-843-60732188 INTERCHANGEABLE
Ring,retaining
Liquid Controls, L.l.c. Div Idex Corporation
5815-00-969-4041 INTERCHANGEABLE
Actuate Arm
6810-01-013-268512065-99 INTERCHANGEABLE
Sulfate Test Reagent
Hach Company Dba Hach Co
6160-01-141-03742188 INTERCHANGEABLE
Retainer,battery
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
2188 PRIMARY Champion Laboratories, Inc. (USA)
2188 Luber-Finer Inc Sub of Champion Laboratories Inc Affil of Uis Inc (USA)
Related Parts
2990-00-103-8245INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
6610-00-231-5256INTERCHANGEABLE
GEAR BOX ASSEMBLY
2188
5330-00-256-8156INTERCHANGEABLE
GASKET
2188
5360-00-506-9533INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5325-00-616-5061INTERCHANGEABLE
GROMMET,NONMETALLIC
00052 ST 5
5910-00-690-9467INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
5325-00-843-6073INTERCHANGEABLE
RING,RETAINING
2188
5815-00-969-4041INTERCHANGEABLE
ACTUATE ARM
6810-01-013-2685INTERCHANGEABLE
SULFATE TEST REAGENT
12065-99
6160-01-141-0374INTERCHANGEABLE
RETAINER,BATTERY
2188
4820-01-365-2496INTERCHANGEABLE
VALVE,CHECK
2188
4730-01-488-6471INTERCHANGEABLE
BOLT,FLUID PASSAGE

Frequently Asked Questions

What is NSN 4820-00-816-5719?

NSN 4820-00-816-5719 is a Valve,check, manufactured by Champion Laboratories, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-816-5719?

NSN 4820-00-816-5719 has 2 cross-referenced part numbers: 2188 (Champion Laboratories, Inc.), 2188 (Luber-Finer Inc Sub of Champion Laboratories Inc Affil of Uis Inc).

What NSN replaces 4820-00-816-5719?

There are 12 known substitutes for 4820-00-816-5719: 2990-00-103-8245, 6610-00-231-5256, 5330-00-256-8156 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2188?

Key specifications for 2188: Thread Series Designator: NPT SECOND END; Nominal Thread Size: 0.500 INCHES SECOND END IN; Valve Operation Method: AUTOMATIC; Surface Treatment: CADMIUM. 17 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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