PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILG18916Governor,pump,pressure Regulatin

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4320-00-023-6279 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-023-6279 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-023-6279. Primary manufacturer part number: MILG18916.
Features
  • Governor,pump,pressure Regulatin — FSC 4320
  • Pressure Type: CONSTANT
  • Material: STEEL BODY
  • Flange Bolt Hole Spacing: EQUALLY SPACED ON 3-1/2 IN. DIA BOLT CIRCLE IN
  • Size: 1.000 INCHES IN
  • Actuating Fluid Pressure Range: +20.0 TO 50.0 POUNDS PER SQUARE INCH LBS
  • Saturated Steam Capacity Rating: 966.0 POUNDS PER HOUR LBS
  • Flange Bolt Hole Diameter: 0.750 INCHES NOMINAL IN
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel Body construction
General Description

The Governor,pump,pressure Regulatin, cataloged under National Stock Number 4320-00-023-6279, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-023-6279
Primary Part NumberMILG18916
Item NameGovernor,pump,pressure Regulatin
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Pressure TypeCONSTANT
MaterialSTEEL BODY
Flange Bolt Hole SpacingEQUALLY SPACED ON 3-1/2 IN. DIA BOLT CIRCLE IN
Size1.000 INCHES IN
Actuating Fluid Pressure Range+20.0 TO 50.0 POUNDS PER SQUARE INCH LBS
Saturated Steam Capacity Rating966.0 POUNDS PER HOUR LBS
Flange Bolt Hole Diameter0.750 INCHES NOMINAL IN
Flange Outside Diameter4.875 INCHES NOMINAL IN
Flange Raised Face FeatureINCLUDED
Flange Bolt Hole Quantity4
Pipe/tube Nominal Size1 IN. PIPE IN
Angle Body FeatureNOT INCLUDED
Nondefinitive Spec/std DataCP TYPE AND 1 CLASS AND 600 SERIES AND 1 SIZE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY PAC AXAE
Inlet Working Pressure Rating at Maximum Temp590 PSI RATED STEAM WP AT 750 DEG F DEGF
End Connection SimilarityIDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4320-00-023-6259 INTERCHANGEABLE
Governor,pump,pressure Regulatin
4320-00-023-6280 INTERCHANGEABLE
Governor,pump,pressure Regulatin
4320-00-141-015921886N1 1-4IN INTERCHANGEABLE
Governor,pump,pressure Regulatin
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
MILG18916 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
22033N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4320-00-023-6259INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
4320-00-023-6280INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
4320-00-141-0159INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
21886N1 1-4IN

Frequently Asked Questions

What is NSN 4320-00-023-6279?

NSN 4320-00-023-6279 is a Governor,pump,pressure Regulatin, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-023-6279?

NSN 4320-00-023-6279 has 2 cross-referenced part numbers: MILG18916 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 22033N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4320-00-023-6279?

There are 3 known substitutes for 4320-00-023-6279: 4320-00-023-6259, 4320-00-023-6280, 4320-00-141-0159. Verify interchangeability with system specifications before substitution.

What are the specifications of MILG18916?

Key specifications for MILG18916: Pressure Type: CONSTANT; Material: STEEL BODY; Flange Bolt Hole Spacing: EQUALLY SPACED ON 3-1/2 IN. DIA BOLT CIRCLE IN; Size: 1.000 INCHES IN. 16 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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