PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

666IN-PC4Flange,pipe,blind

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4730-01-133-4068 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-133-4068 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-133-4068. Primary manufacturer part number: 666IN-PC4.
Features
  • Flange,pipe,blind — FSC 4730
  • Material: STEEL
  • Bolt Hole Diameter: 0.656 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
  • Flange Section Style: RAISED FACE, RAISED NECK
  • Raised Face Height: 0.312 INCHES NOMINAL IN
  • Bolt Hole Quantity: 2
  • Flange Length: 4.875 INCHES MINIMUM AND 5.016 INCHES MAXIMUM IN
  • Raised Face Diameter: 2.350 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Flange,pipe,blind, cataloged under National Stock Number 4730-01-133-4068, 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 Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-133-4068
Primary Part Number666IN-PC4
Item NameFlange,pipe,blind
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialSTEEL
Bolt Hole Diameter0.656 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
Flange Section StyleRAISED FACE, RAISED NECK
Raised Face Height0.312 INCHES NOMINAL IN
Bolt Hole Quantity2
Flange Length4.875 INCHES MINIMUM AND 5.016 INCHES MAXIMUM IN
Raised Face Diameter2.350 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-872 MIL SPEC SINGLE MATERIAL RESPONSE
Bolt Circle Diameter3.500 INCHES NOMINAL IN
Flange Width2.750 INCHES NOMINAL IN
Neck Height0.219 INCHES NOMINAL IN
Flange End Radius0.688 INCHES NOMINAL IN
Thickness0.750 INCHES NOMINAL IN
Face Seating Surface ConditionMACHINED
Style DesignatorOVAL, ONE BOLT HOLE CIRCLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-194-705416032 INTERCHANGEABLE
Nut,plain,hexagon
Pneudraulics, Inc.
4720-00-278-110912309272-15 INTERCHANGEABLE
Hose,nonmetallic
U S Army Tank Automotive Command Amsta-Im-Mm
6110-00-468-5448 INTERCHANGEABLE
Disc,rotating Brake
5330-00-529-846411151 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-01-108-735016032 INTERCHANGEABLE
Gasket
Frick Co
4730-01-121-790712108 INTERCHANGEABLE
Strainer Element,sediment
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-01-133-422414188 INTERCHANGEABLE
Strainer Body,sediment
Haywardindl. Products, Inc.
5925-01-192-798244-100-P10-0.5A INTERCHANGEABLE
Circuit Breaker
Oakland Industries Ltd
5950-01-337-105016032 INTERCHANGEABLE
Reactor
Robert M. Hadley Company, Inc.
Cross-Reference Index
Part NumberManufacturer
6661N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
666IN-PC4 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
S4823-H-3113863 Naval Ship Systems Command (USA)
16032 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
S4823-H-3113863 PIECE 4 Naval Ship Systems Command (USA)
Related Parts
5310-00-194-7054INTERCHANGEABLE
NUT,PLAIN,HEXAGON
16032
4720-00-278-1109INTERCHANGEABLE
HOSE,NONMETALLIC
12309272-15
6110-00-468-5448INTERCHANGEABLE
DISC,ROTATING BRAKE
5330-00-529-8464INTERCHANGEABLE
GASKET
11151
5330-01-108-7350INTERCHANGEABLE
GASKET
16032
4730-01-121-7907INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
12108
4730-01-133-4224INTERCHANGEABLE
STRAINER BODY,SEDIMENT
14188
5925-01-192-7982INTERCHANGEABLE
CIRCUIT BREAKER
44-100-P10-0.5A
5950-01-337-1050INTERCHANGEABLE
REACTOR
16032

Frequently Asked Questions

What is NSN 4730-01-133-4068?

NSN 4730-01-133-4068 is a Flange,pipe,blind, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-133-4068?

NSN 4730-01-133-4068 has 5 cross-referenced part numbers: 6661N (Leslie Controls, Inc. Dba Leslie Controls Inc), 666IN-PC4 (Leslie Controls, Inc. Dba Leslie Controls Inc), S4823-H-3113863 (Naval Ship Systems Command), 16032 (Leslie Controls, Inc. Dba Leslie Controls Inc), S4823-H-3113863 PIECE 4 (Naval Ship Systems Command).

What NSN replaces 4730-01-133-4068?

There are 9 known substitutes for 4730-01-133-4068: 5310-00-194-7054, 4720-00-278-1109, 6110-00-468-5448 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 666IN-PC4?

Key specifications for 666IN-PC4: Material: STEEL; Bolt Hole Diameter: 0.656 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN; Flange Section Style: RAISED FACE, RAISED NECK; Raised Face Height: 0.312 INCHES NOMINAL IN. 15 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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