PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48242-1Valve,check

Hexco International Dba Acd · NSN 4820-01-373-5503 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-373-5503 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-373-5503. Primary manufacturer part number: 48242-1.
Features
  • Valve,check — FSC 4820
  • Material: STEEL CORROSION RESISTING BODY
  • Nominal Thread Size: 2.500 INCHES ALL ENDS IN
  • 1 verified cross-reference
  • Primary manufacturer: Hexco International Dba Acd
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-373-5503, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hexco International Dba Acd. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-373-5503
Primary Part Number48242-1
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHexco International Dba Acd
StatusACTIVE
MaterialSTEEL CORROSION RESISTING BODY
Nominal Thread Size2.500 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5910-00-129-1381 INTERCHANGEABLE
Capacitor,fixed,electrolytic
4730-01-197-7778048-00245-000 INTERCHANGEABLE
Restrictor,fluid Flow
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5975-01-647-7502482421 INTERCHANGEABLE
Cabinet,electrical Equipment
Technology Dynamics, Inc. Dba Mid-Eastern Industries Division
Cross-Reference Index
Part NumberManufacturer
48242-1 PRIMARY Hexco International Dba Acd (USA)
Related Parts
5910-00-129-1381INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
4730-01-197-7778INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
048-00245-000
5975-01-647-7502INTERCHANGEABLE
CABINET,ELECTRICAL EQUIPMENT
482421

Frequently Asked Questions

What is NSN 4820-01-373-5503?

NSN 4820-01-373-5503 is a Valve,check, manufactured by Hexco International Dba Acd, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-373-5503?

NSN 4820-01-373-5503 has 1 cross-referenced part number: 48242-1 (Hexco International Dba Acd).

What NSN replaces 4820-01-373-5503?

There are 3 known substitutes for 4820-01-373-5503: 5910-00-129-1381, 4730-01-197-7778, 5975-01-647-7502. Verify interchangeability with system specifications before substitution.

What are the specifications of 48242-1?

Key specifications for 48242-1: Material: STEEL CORROSION RESISTING BODY; Nominal Thread Size: 2.500 INCHES ALL ENDS IN. 2 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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