PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19442Valve,ball

Lasco Industries · NSN 4820-01-701-4957 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-701-4957 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-701-4957. Primary manufacturer part number: 19442.
Features
  • Valve,ball — FSC 4820
  • Media for Which Designed: WATER, FRESH SINGLE RESPONSE
  • Valve Operation Method: MANUAL
  • Maximum Operating Temp: 140.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Nominal Outside Diameter Tube Accommodated: 3.0 INCHES ALL ENDS IN
  • Valve Model Number for Which Designed: 19442
  • 1 verified cross-reference
  • Primary manufacturer: Lasco Industries
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-701-4957, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lasco Industries. Government technical data includes 5 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-701-4957
Primary Part Number19442
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLasco Industries
StatusACTIVE
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Valve Operation MethodMANUAL
Maximum Operating Temp140.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter Tube Accommodated3.0 INCHES ALL ENDS IN
Valve Model Number for Which Designed19442
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2590-00-275-6736 INTERCHANGEABLE
Control Assembly,push-Pull
5360-00-863-3745 INTERCHANGEABLE
Spring,helical,extension
5340-01-379-34611944-2 INTERCHANGEABLE
Bracket,mounting
Honeywell Security Americas Llc
6105-01-481-586619442 INTERCHANGEABLE
Motor,alternating Current
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
5930-01-578-541219442 INTERCHANGEABLE
Cover,electrical Switch
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
19442 PRIMARY Lasco Industries (USA)
Related Parts
2590-00-275-6736INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
5360-00-863-3745INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5340-01-379-3461INTERCHANGEABLE
BRACKET,MOUNTING
1944-2
6105-01-481-5866INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
19442
5930-01-578-5412INTERCHANGEABLE
COVER,ELECTRICAL SWITCH
19442

Frequently Asked Questions

What is NSN 4820-01-701-4957?

NSN 4820-01-701-4957 is a Valve,ball, manufactured by Lasco Industries, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-701-4957?

NSN 4820-01-701-4957 has 1 cross-referenced part number: 19442 (Lasco Industries).

What NSN replaces 4820-01-701-4957?

There are 5 known substitutes for 4820-01-701-4957: 2590-00-275-6736, 5360-00-863-3745, 5340-01-379-3461 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19442?

Key specifications for 19442: Media for Which Designed: WATER, FRESH SINGLE RESPONSE; Valve Operation Method: MANUAL; Maximum Operating Temp: 140.0 FAHRENHEIT SINGLE RESPONSE DEGF; Nominal Outside Diameter Tube Accommodated: 3.0 INCHES ALL ENDS IN. 6 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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