PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74401Valve,check

Spx Flow Us, Llc Dba Spx Valves & Controls · NSN 4820-01-195-5943 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-195-5943 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-195-5943. Primary manufacturer part number: 74401.
Features
  • Valve,check — FSC 4820
  • Style Designator: ANGLE
  • Disk Loading Method: SPRING
  • Mounting Position: VERTICAL
  • Material: STEEL BODY
  • Valve Operation Method: AUTOMATIC
  • Flow Control Device: DISK
  • 4 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-195-5943, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spx Flow Us, Llc Dba Spx Valves & Controls. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-195-5943
Primary Part Number74401
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpx Flow Us, Llc Dba Spx Valves & Controls
StatusACTIVE
Style DesignatorANGLE
Disk Loading MethodSPRING
Mounting PositionVERTICAL
MaterialSTEEL BODY
Valve Operation MethodAUTOMATIC
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5815-00-125-498174601 INTERCHANGEABLE
Bar,selector,teletypewriter
Telemechanics Inc
5815-00-125-573474401 INTERCHANGEABLE
Lever
Telemechanics Inc
5950-00-314-5133 INTERCHANGEABLE
Transformer,current
4820-00-862-939774560 INTERCHANGEABLE
Stem,fluid Valve
Clyde Bergemann Inc
2520-00-876-46615-432X INTERCHANGEABLE
Spider,universal Joint,vehicular
Dana Corp Spicer Transmission Div
4410-01-195-4381 INTERCHANGEABLE
Roller,beam,soot Blower
3020-01-195-9254H-1427 INTERCHANGEABLE
Gear,worm
Altra Industrial Motion Corp.
4820-01-196-1302 INTERCHANGEABLE
Trigger,valve Lever
3040-01-196-1504 INTERCHANGEABLE
Lever,remote Control
3020-01-196-9127 INTERCHANGEABLE
Chain,roller
Cross-Reference Index
Part NumberManufacturer
74401 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
X-74050 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
74601 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
X-74050 PIECE 87-3 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
5815-00-125-4981INTERCHANGEABLE
BAR,SELECTOR,TELETYPEWRITER
74601
5815-00-125-5734INTERCHANGEABLE
LEVER
74401
5950-00-314-5133INTERCHANGEABLE
TRANSFORMER,CURRENT
4820-00-862-9397INTERCHANGEABLE
STEM,FLUID VALVE
74560
2520-00-876-4661INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
5-432X
4410-01-195-4381INTERCHANGEABLE
ROLLER,BEAM,SOOT BLOWER
3020-01-195-9254INTERCHANGEABLE
GEAR,WORM
H-1427
4820-01-196-1302INTERCHANGEABLE
TRIGGER,VALVE LEVER
3040-01-196-1504INTERCHANGEABLE
LEVER,REMOTE CONTROL
3020-01-196-9127INTERCHANGEABLE
CHAIN,ROLLER
3020-01-197-7228INTERCHANGEABLE
GEAR,WORM WHEEL
DB-1420

Frequently Asked Questions

What is NSN 4820-01-195-5943?

NSN 4820-01-195-5943 is a Valve,check, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-195-5943?

NSN 4820-01-195-5943 has 4 cross-referenced part numbers: 74401 (Spx Flow Us, Llc Dba Spx Valves & Controls), X-74050 (Spx Flow Us, Llc Dba Spx Valves & Controls), 74601 (Spx Flow Us, Llc Dba Spx Valves & Controls), X-74050 PIECE 87-3 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 4820-01-195-5943?

There are 11 known substitutes for 4820-01-195-5943: 5815-00-125-4981, 5815-00-125-5734, 5950-00-314-5133 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74401?

Key specifications for 74401: Style Designator: ANGLE; Disk Loading Method: SPRING; Mounting Position: VERTICAL; Material: STEEL BODY. 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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