PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MCV-0250-SS-T-1/2 TYPE 2Valve,check

International Valve Corp Dba Check-All Valve Mfg. Co. · NSN 4820-01-497-0681 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-497-0681 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-497-0681. Primary manufacturer part number: MCV-0250-SS-T-1/2 TYPE 2.
Features
  • Valve,check — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: International Valve Corp Dba Check-All Valve Mfg. Co.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-497-0681, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is International Valve Corp Dba Check-All Valve Mfg. Co.. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-497-0681
Primary Part NumberMCV-0250-SS-T-1/2 TYPE 2
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerInternational Valve Corp Dba Check-All Valve Mfg. Co.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5815-00-703-0182SM-B-186991 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8340-00-951-6425 INTERCHANGEABLE
Tent Section
4520-01-101-0763319-873020-003 INTERCHANGEABLE
Heating Element,electrical,nonim
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
5930-01-496-763254943 ITEM 1 INTERCHANGEABLE
Switch,flow
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5995-01-687-988954943 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Logos Imaging Llc
Cross-Reference Index
Part NumberManufacturer
54943 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
MCV-0250-SS-T-1/2 TYPE 2 PRIMARY International Valve Corp Dba Check-All Valve Mfg. Co. (USA)
54943 ITEM 3 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
5815-00-703-0182INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-186991
8340-00-951-6425INTERCHANGEABLE
TENT SECTION
4520-01-101-0763INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
319-873020-003
5930-01-496-7632INTERCHANGEABLE
SWITCH,FLOW
54943 ITEM 1
5995-01-687-9889INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
54943

Frequently Asked Questions

What is NSN 4820-01-497-0681?

NSN 4820-01-497-0681 is a Valve,check, manufactured by International Valve Corp Dba Check-All Valve Mfg. Co., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-497-0681?

NSN 4820-01-497-0681 has 3 cross-referenced part numbers: 54943 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), MCV-0250-SS-T-1/2 TYPE 2 (International Valve Corp Dba Check-All Valve Mfg. Co.), 54943 ITEM 3 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4820-01-497-0681?

There are 5 known substitutes for 4820-01-497-0681: 5815-00-703-0182, 8340-00-951-6425, 4520-01-101-0763 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MCV-0250-SS-T-1/2 TYPE 2?

Key specifications for MCV-0250-SS-T-1/2 TYPE 2: End Item Identification: DEMINERALIZER WATER UNIT. 1 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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