PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32769Flange,pipe,blind

Alfa Laval Inc · NSN 4730-00-230-8778 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-230-8778 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-230-8778. Primary manufacturer part number: 32769.
Features
  • Flange,pipe,blind — FSC 4730
  • Bolt Hole Quantity: 6
  • Bolt Circle Diameter: 3.938 INCHES NOMINAL IN
  • Face Seating Surface Condition: MACHINED
  • Flange Section Style: PLAIN FACE (BLIND)
  • Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT AIR AND 425.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT GAS AND 150.0 FAHRENHEIT OIL AND 150.0 FAHRENHEIT WATER DEGF
  • Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED AND 100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 922 construction
General Description

The Flange,pipe,blind, cataloged under National Stock Number 4730-00-230-8778, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-230-8778
Primary Part Number32769
Item NameFlange,pipe,blind
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAlfa Laval Inc
StatusACTIVE
Bolt Hole Quantity6
Bolt Circle Diameter3.938 INCHES NOMINAL IN
Face Seating Surface ConditionMACHINED
Flange Section StylePLAIN FACE (BLIND)
Maximum Operating Temp and Media for Which Designed150.0 FAHRENHEIT AIR AND 425.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT GAS AND 150.0 FAHRENHEIT OIL AND 150.0 FAHRENHEIT WATER DEGF
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED AND 100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
MaterialCOPPER ALLOY 922
Material Document and ClassificationSAE CA922 ASSN STD SINGLE MATERIAL RESPONSE
Nominal Pipe Size for Which Designed1.500 INCHES IN
Thickness0.438 INCHES NOMINAL IN
Bolt Hole Diameter0.562 INCHES NOMINAL IN
Flange Diameter5.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-200-048432158-35 INTERCHANGEABLE
Packing Nut
Solventum Purification Inc. Div Filtration and Separation Division
5315-00-873-635932769 INTERCHANGEABLE
Pin,shear
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
Cross-Reference Index
Part NumberManufacturer
32769 Alfa Laval Inc (USA)
MIL-F-20042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
99132769 Alfa Laval Inc (USA)
MIL-PRF-20042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-200-0484INTERCHANGEABLE
PACKING NUT
32158-35
5315-00-873-6359INTERCHANGEABLE
PIN,SHEAR
32769

Frequently Asked Questions

What is NSN 4730-00-230-8778?

NSN 4730-00-230-8778 is a Flange,pipe,blind, manufactured by Alfa Laval Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-230-8778?

NSN 4730-00-230-8778 has 4 cross-referenced part numbers: 32769 (Alfa Laval Inc), MIL-F-20042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 99132769 (Alfa Laval Inc), MIL-PRF-20042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-230-8778?

There are 2 known substitutes for 4730-00-230-8778: 4730-00-200-0484, 5315-00-873-6359. Verify interchangeability with system specifications before substitution.

What are the specifications of 32769?

Key specifications for 32769: Bolt Hole Quantity: 6; Bolt Circle Diameter: 3.938 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Flange Section Style: PLAIN FACE (BLIND). 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com