PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18306Bellows and Mount Assembly

Ranco Inc Ranco Controls Div · NSN 6620-00-144-3387 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-144-3387 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-144-3387. Primary manufacturer part number: 18306.
Features
  • Bellows and Mount Assembly — FSC 6620
  • General Characteristics Item Description: 2.160 IN. LG,2.125 IN. W IN
  • FSC Application Data: ENGINE PRESSURE RATIO TRANSMITTER
  • 2 verified cross-references
  • Primary manufacturer: Ranco Inc Ranco Controls Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bellows and Mount Assembly, cataloged under National Stock Number 6620-00-144-3387, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ranco Inc Ranco Controls Div. Government technical data includes 2 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-00-144-3387
Primary Part Number18306
Item NameBellows and Mount Assembly
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerRanco Inc Ranco Controls Div
StatusACTIVE
General Characteristics Item Description2.160 IN. LG,2.125 IN. W IN
FSC Application DataENGINE PRESSURE RATIO TRANSMITTER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-084-3411 INTERCHANGEABLE
Coil,radio Frequency
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
4730-01-311-396618306 INTERCHANGEABLE
Restrictor,fluid Flow
Exceltec Intl Corp
5905-01-396-75690183060008 INTERCHANGEABLE
Resistor,fixed,film
Riimic, Llc Dba Sunair Electronics
Cross-Reference Index
Part NumberManufacturer
18306 Ranco Management Corp (USA)
18306 PRIMARY Ranco Inc Ranco Controls Div (USA)
Related Parts
5950-00-084-3411INTERCHANGEABLE
COIL,RADIO FREQUENCY
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
4730-01-311-3966INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
18306
5905-01-396-7569INTERCHANGEABLE
RESISTOR,FIXED,FILM
0183060008

Frequently Asked Questions

What is NSN 6620-00-144-3387?

NSN 6620-00-144-3387 is a Bellows and Mount Assembly, manufactured by Ranco Inc Ranco Controls Div, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-144-3387?

NSN 6620-00-144-3387 has 2 cross-referenced part numbers: 18306 (Ranco Management Corp), 18306 (Ranco Inc Ranco Controls Div).

What NSN replaces 6620-00-144-3387?

There are 7 known substitutes for 6620-00-144-3387: 5950-00-084-3411, 5133-00-894-5614, 5307-00-935-1218 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18306?

Key specifications for 18306: General Characteristics Item Description: 2.160 IN. LG,2.125 IN. W IN; FSC Application Data: ENGINE PRESSURE RATIO TRANSMITTER; End Item Identification: 66202662763. 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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