PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2400-3/8Valve,check

Strataflo Products, Inc · NSN 4820-01-425-2128 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-425-2128 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-425-2128. Primary manufacturer part number: 2400-3/8.
Features
  • Valve,check — FSC 4820
  • Material: COPPER ALLOY BODY
  • Valve Operation Method: AUTOMATIC
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Style Designator: STRAIGHT THRU
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
  • Surface Treatment: NICKEL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-425-2128, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Strataflo Products, Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-425-2128
Primary Part Number2400-3/8
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerStrataflo Products, Inc
StatusACTIVE
MaterialCOPPER ALLOY BODY
Valve Operation MethodAUTOMATIC
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorSTRAIGHT THRU
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Surface TreatmentNICKEL
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Nominal Thread Size0.375 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Flow Control DeviceDISK
Media for Which DesignedSTEAM FIRST RESPONSE
Mounting PositionHORIZONTAL OR VERTICAL
Disk Loading MethodSPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-752-27181980417-4 INTERCHANGEABLE
Switch,rotary
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-01-170-0236SG307 INTERCHANGEABLE
Switch,pressure
Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control
5330-01-304-2375 INTERCHANGEABLE
Gasket
6515-01-591-7014240.038 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5975-01-627-065124-0038 INTERCHANGEABLE
Rail,guide
Haas Automation Inc
3950-01-685-2487OHDL-3 INTERCHANGEABLE
Lifter and Rotator,drum
Wesco Industrial Products, Llc
Cross-Reference Index
Part NumberManufacturer
2400-3/8 PRIMARY Strataflo Products, Inc (USA)
2400-037 Strataflo Products, Inc (USA)
Related Parts
5930-00-752-2718INTERCHANGEABLE
SWITCH,ROTARY
1980417-4
5930-01-170-0236INTERCHANGEABLE
SWITCH,PRESSURE
SG307
5330-01-304-2375INTERCHANGEABLE
GASKET
6515-01-591-7014INTERCHANGEABLE
BONE PLATE
240.038
5975-01-627-0651INTERCHANGEABLE
RAIL,GUIDE
24-0038
3950-01-685-2487INTERCHANGEABLE
LIFTER AND ROTATOR,DRUM
OHDL-3

Frequently Asked Questions

What is NSN 4820-01-425-2128?

NSN 4820-01-425-2128 is a Valve,check, manufactured by Strataflo Products, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-425-2128?

NSN 4820-01-425-2128 has 2 cross-referenced part numbers: 2400-3/8 (Strataflo Products, Inc), 2400-037 (Strataflo Products, Inc).

What NSN replaces 4820-01-425-2128?

There are 6 known substitutes for 4820-01-425-2128: 5930-00-752-2718, 5930-01-170-0236, 5330-01-304-2375 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2400-3/8?

Key specifications for 2400-3/8: Material: COPPER ALLOY BODY; Valve Operation Method: AUTOMATIC; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Style Designator: STRAIGHT THRU. 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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