PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15500-043Valve,check

Flowserve Corp Dba Automax Actuators Div Flowserve Us Company · NSN 4820-01-398-5704 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-398-5704 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-398-5704. Primary manufacturer part number: 15500-043.
Features
  • Valve,check — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-398-5704, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-398-5704
Primary Part Number15500-043
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Corp Dba Automax Actuators Div Flowserve Us Company
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6240-00-916-1639 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
15500-043 PRIMARY Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
15500.043 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
01-435-0138-5 REV D ITEM 154 PRIMARY Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
01-431-0032-3 PRIMARY Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
01-435-0085-5PC14 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
Related Parts
6240-00-916-1639INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 4820-01-398-5704?

NSN 4820-01-398-5704 is a Valve,check, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-398-5704?

NSN 4820-01-398-5704 has 5 cross-referenced part numbers: 15500-043 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 15500.043 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 01-435-0138-5 REV D ITEM 154 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 01-431-0032-3 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 01-435-0085-5PC14 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).

What NSN replaces 4820-01-398-5704?

There is 1 known substitute for 4820-01-398-5704: 6240-00-916-1639. Verify interchangeability with system specifications before substitution.

What are the specifications of 15500-043?

Key specifications for 15500-043: Special Features: OPERATOR VALVE. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-398-5704 still in active supply?

NSN 4820-01-398-5704 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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