PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21742NGovernor,pump,pressure Regulatin

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4320-00-873-8986 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-873-8986 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-873-8986. Primary manufacturer part number: 21742N.
Features
  • Governor,pump,pressure Regulatin — FSC 4320
  • Reference Number Differentiating Characteristics: SIZE 1-1/2 IN.,50 TO 175 PSI IN
  • 1 verified cross-reference
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Governor,pump,pressure Regulatin, cataloged under National Stock Number 4320-00-873-8986, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-873-8986
Primary Part Number21742N
Item NameGovernor,pump,pressure Regulatin
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsSIZE 1-1/2 IN.,50 TO 175 PSI IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4320-00-023-6280 INTERCHANGEABLE
Governor,pump,pressure Regulatin
4820-00-036-1537N116450058 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-226-7578Y501827504 INTERCHANGEABLE
Valve,flow Control
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-231-7089N53826 INTERCHANGEABLE
Adjusting Screw,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
21742N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4320-00-023-6280INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
4820-00-036-1537INTERCHANGEABLE
DISK,VALVE
N116450058
4820-01-226-7578INTERCHANGEABLE
VALVE,FLOW CONTROL
Y501827504
4820-01-231-7089INTERCHANGEABLE
ADJUSTING SCREW,VALVE
N53826

Frequently Asked Questions

What is NSN 4320-00-873-8986?

NSN 4320-00-873-8986 is a Governor,pump,pressure Regulatin, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-873-8986?

NSN 4320-00-873-8986 has 1 cross-referenced part number: 21742N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4320-00-873-8986?

There are 4 known substitutes for 4320-00-873-8986: 4320-00-023-6280, 4820-00-036-1537, 4820-01-226-7578 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21742N?

Key specifications for 21742N: Reference Number Differentiating Characteristics: SIZE 1-1/2 IN.,50 TO 175 PSI IN. 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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