PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18306Restrictor,fluid Flow

Exceltec Intl Corp · NSN 4730-01-311-3966 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-311-3966 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-311-3966. Primary manufacturer part number: 18306.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Design Type: PLATE
  • Material: STEEL CORROSION RESISTING
  • Outside Diameter: 1.500 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Exceltec Intl Corp
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-311-3966, 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 Exceltec Intl Corp. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-311-3966
Primary Part Number18306
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerExceltec Intl Corp
StatusACTIVE
Design TypePLATE
MaterialSTEEL CORROSION RESISTING
Outside Diameter1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-084-3411 INTERCHANGEABLE
Coil,radio Frequency
6620-00-144-338718306 INTERCHANGEABLE
Bellows and Mount Assembly
Ranco Inc Ranco Controls Div
5133-00-894-5614 INTERCHANGEABLE
Drill,twist
5307-00-935-1218 INTERCHANGEABLE
Stud,plain
5305-00-954-4295MS35190-287 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
9905-01-044-7612 INTERCHANGEABLE
Plate,instruction
5905-01-396-75690183060008 INTERCHANGEABLE
Resistor,fixed,film
Riimic, Llc Dba Sunair Electronics
Cross-Reference Index
Part NumberManufacturer
SAORIFICE1.5 Exceltec Intl Corp (USA)
18306 PRIMARY Exceltec Intl Corp (USA)
Related Parts
5950-00-084-3411INTERCHANGEABLE
COIL,RADIO FREQUENCY
6620-00-144-3387INTERCHANGEABLE
BELLOWS AND MOUNT ASSEMBLY
18306
5133-00-894-5614INTERCHANGEABLE
DRILL,TWIST
5307-00-935-1218INTERCHANGEABLE
STUD,PLAIN
5305-00-954-4295INTERCHANGEABLE
SCREW,MACHINE
MS35190-287
9905-01-044-7612INTERCHANGEABLE
PLATE,INSTRUCTION
5905-01-396-7569INTERCHANGEABLE
RESISTOR,FIXED,FILM
0183060008

Frequently Asked Questions

What is NSN 4730-01-311-3966?

NSN 4730-01-311-3966 is a Restrictor,fluid Flow, manufactured by Exceltec Intl Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-311-3966?

NSN 4730-01-311-3966 has 2 cross-referenced part numbers: SAORIFICE1.5 (Exceltec Intl Corp), 18306 (Exceltec Intl Corp).

What NSN replaces 4730-01-311-3966?

There are 7 known substitutes for 4730-01-311-3966: 5950-00-084-3411, 6620-00-144-3387, 5133-00-894-5614 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18306?

Key specifications for 18306: Design Type: PLATE; Material: STEEL CORROSION RESISTING; Outside Diameter: 1.500 INCHES NOMINAL IN. 3 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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