PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UN-3-050-SS-T-10.00Valve,check

International Valve Corp Dba Check-All Valve Mfg. Co. · NSN 4820-01-497-0542 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-497-0542 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-497-0542. Primary manufacturer part number: UN-3-050-SS-T-10.00.
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 4820-01-497-0542, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-497-0542
Primary Part NumberUN-3-050-SS-T-10.00
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 4
6625-01-496-688355011 INTERCHANGEABLE
Coupler,indicator
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5930-01-496-765155328 INTERCHANGEABLE
Switch,thermostatic
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5930-01-496-768755329 INTERCHANGEABLE
Switch,thermostatic
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5995-01-646-4037054932 INTERCHANGEABLE
Wiring Harness
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
54932 ITEM 12 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
UN-3-050-SS-T-10.00 PRIMARY International Valve Corp Dba Check-All Valve Mfg. Co. (USA)
54932 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
6625-01-496-6883INTERCHANGEABLE
COUPLER,INDICATOR
55011
5930-01-496-7651INTERCHANGEABLE
SWITCH,THERMOSTATIC
55328
5930-01-496-7687INTERCHANGEABLE
SWITCH,THERMOSTATIC
55329
5995-01-646-4037INTERCHANGEABLE
WIRING HARNESS
054932

Frequently Asked Questions

What is NSN 4820-01-497-0542?

NSN 4820-01-497-0542 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 4820-01-497-0542?

NSN 4820-01-497-0542 has 3 cross-referenced part numbers: 54932 ITEM 12 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), UN-3-050-SS-T-10.00 (International Valve Corp Dba Check-All Valve Mfg. Co.), 54932 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4820-01-497-0542?

There are 4 known substitutes for 4820-01-497-0542: 6625-01-496-6883, 5930-01-496-7651, 5930-01-496-7687 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UN-3-050-SS-T-10.00?

Key specifications for UN-3-050-SS-T-10.00: End Item Identification: DEMINERALIZED 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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