PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILV11583TYPE1CLASS3Valve Section,pipeline

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3835-00-663-4679 · FSC 3835 · No Item Name Available
Verified by PartsTable
NSN 3835-00-663-4679 — this item is cataloged by the U.S. Government under National Stock Number 3835-00-663-4679. Primary manufacturer part number: MILV11583TYPE1CLASS3.
Features
  • Valve Section,pipeline — FSC 3835
  • Valve Quantity: 1
  • Material: IRON CAST VALVE BODY
  • Valve Nominal Pipe Size: 4.000 INCHES IN
  • Valve Disk Seat Renewability: NOT RENEWABLE
  • Maximum Wog Working Pressure Rating: 500.0 POUNDS PER SQUARE INCH LBS
  • Nominal Pipe Size: 4.000 INCHES IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 3 CLASS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Cast Valve Body construction
General Description

The Valve Section,pipeline, cataloged under National Stock Number 3835-00-663-4679, is classified within Federal Supply Class 3835 (No Item Name Available) of the Construction, Mining, Excavating Equipment 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 12 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3835-00-663-4679
Primary Part NumberMILV11583TYPE1CLASS3
Item NameValve Section,pipeline
FSC / FSG3835 / 38 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Valve Quantity1
MaterialIRON CAST VALVE BODY
Valve Nominal Pipe Size4.000 INCHES IN
Valve Disk Seat RenewabilityNOT RENEWABLE
Maximum Wog Working Pressure Rating500.0 POUNDS PER SQUARE INCH LBS
Nominal Pipe Size4.000 INCHES IN
Nondefinitive Spec/std Data1 TYPE AND 3 CLASS
Safety Relief ValveNOT INCLUDED
Valve Seat Ring RenewabilityNOT RENEWABLE
Pipe End Connection StyleUNTHREADED EXTERNAL
MaterialSTEEL PIPE
Valve TypePLUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3835-00-641-749385130 INTERCHANGEABLE
Valve Section,pipeline
The Walworth Company
3835-00-663-7338 INTERCHANGEABLE
Valve Section,pipeline
3835-00-663-7339 INTERCHANGEABLE
Valve Section,pipeline
Cross-Reference Index
Part NumberManufacturer
MILV11583TYPE1CLASS3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3835-00-641-7493INTERCHANGEABLE
VALVE SECTION,PIPELINE
85130
3835-00-663-7338INTERCHANGEABLE
VALVE SECTION,PIPELINE
3835-00-663-7339INTERCHANGEABLE
VALVE SECTION,PIPELINE

Frequently Asked Questions

What is NSN 3835-00-663-4679?

NSN 3835-00-663-4679 is a Valve Section,pipeline, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3835 (No Item Name Available). Status: active.

What are the part numbers for NSN 3835-00-663-4679?

NSN 3835-00-663-4679 has 1 cross-referenced part number: MILV11583TYPE1CLASS3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3835-00-663-4679?

There are 3 known substitutes for 3835-00-663-4679: 3835-00-641-7493, 3835-00-663-7338, 3835-00-663-7339. Verify interchangeability with system specifications before substitution.

What are the specifications of MILV11583TYPE1CLASS3?

Key specifications for MILV11583TYPE1CLASS3: Overall Length: 3.0 FEET NOMINAL FT; Valve Quantity: 1; Material: IRON CAST VALVE BODY; Valve Nominal Pipe Size: 4.000 INCHES IN. 13 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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