PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-66Plug,quick Disconnect

Tuthill Corp Hansen Coupling Div · NSN 4730-01-313-9446 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-313-9446 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-313-9446. Primary manufacturer part number: B-66.
Features
  • Plug,quick Disconnect — FSC 4730
  • Quick Disconnect Nominal Size: 0.750 INCHES IN
  • Operating Pressure: 2200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Media for Which Designed: GAS
  • Material: COPPER ALLOY BODY
  • Quick Disconnect Method: PUSH-PULL
  • 3 verified cross-references
  • Primary manufacturer: Tuthill Corp Hansen Coupling Div
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Plug,quick Disconnect, cataloged under National Stock Number 4730-01-313-9446, 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 Tuthill Corp Hansen Coupling Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-313-9446
Primary Part NumberB-66
Item NamePlug,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTuthill Corp Hansen Coupling Div
StatusACTIVE
Quick Disconnect Nominal Size0.750 INCHES IN
Operating Pressure2200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Media for Which DesignedGAS
MaterialCOPPER ALLOY BODY
Quick Disconnect MethodPUSH-PULL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5365-00-052-8808B6-6 INTERCHANGEABLE
Shim
Roller Bearing Co of America, Inc Div Pic Design
3110-00-277-0337ASTM F 2162-9 INTERCHANGEABLE
Bearing,roller,needle
American Society for Testing and Materials Dba Astm International
5950-00-406-6293 INTERCHANGEABLE
Transformer,radio Frequency
6730-00-450-0706 INTERCHANGEABLE
Synchronizer,sound,slide Project
3030-00-529-0466 INTERCHANGEABLE
Belt,v
5950-01-021-53151219-113 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
3110-01-098-5496P1-63 INTERCHANGEABLE
Bearing,needle
Timken Aerospace, Inc Dba Torrington Product
5999-01-245-9755B66 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
4730-01-313-94011CDB INTERCHANGEABLE
Elbow,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4730-01-313-9410SAE J514-3 16-16-16 140438B INTERCHANGEABLE
Tee,pipe
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
6129486 Naval Sea Systems Command (USA)
6129486 ITEM 5 Naval Sea Systems Command (USA)
B-66 PRIMARY Tuthill Corp Hansen Coupling Div (USA)
Related Parts
5365-00-052-8808INTERCHANGEABLE
SHIM
B6-6
3110-00-277-0337INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
ASTM F 2162-9
5950-00-406-6293INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6730-00-450-0706INTERCHANGEABLE
SYNCHRONIZER,SOUND,SLIDE PROJECT
3030-00-529-0466INTERCHANGEABLE
BELT,V
5950-01-021-5315INTERCHANGEABLE
TRANSFORMER,POWER
1219-113
3110-01-098-5496INTERCHANGEABLE
BEARING,NEEDLE
P1-63
5999-01-245-9755INTERCHANGEABLE
HEATER,THERMAL RELEASE
B66
4730-01-313-9401INTERCHANGEABLE
ELBOW,PIPE
1CDB
4730-01-313-9410INTERCHANGEABLE
TEE,PIPE
SAE J514-3 16-16-16 140438B
4730-01-313-9411INTERCHANGEABLE
TEE,PIPE
6129486 ITEM 27
4730-01-313-9447INTERCHANGEABLE
PLUG,PIPE
B64A

Frequently Asked Questions

What is NSN 4730-01-313-9446?

NSN 4730-01-313-9446 is a Plug,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-313-9446?

NSN 4730-01-313-9446 has 3 cross-referenced part numbers: 6129486 (Naval Sea Systems Command), 6129486 ITEM 5 (Naval Sea Systems Command), B-66 (Tuthill Corp Hansen Coupling Div).

What NSN replaces 4730-01-313-9446?

There are 12 known substitutes for 4730-01-313-9446: 5365-00-052-8808, 3110-00-277-0337, 5950-00-406-6293 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-66?

Key specifications for B-66: Quick Disconnect Nominal Size: 0.750 INCHES IN; Operating Pressure: 2200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Media for Which Designed: GAS; Material: COPPER ALLOY BODY. 6 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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