PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66ACoupling Half,quick Disconnect

Tuthill Corp Hansen Coupling Div · NSN 4730-01-369-4908 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-369-4908 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-369-4908. Primary manufacturer part number: 66A.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
  • Material: STEEL BODY
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Quick Disconnect Nominal Size: 0.750 INCHES ALL ENDS IN
  • Thread Series Designator: NPT ALL ENDS
  • Quick Disconnect Method: PUSH-PULL ALL ENDS
  • Style Designator: MALE COUPLING HALF
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-369-4908, 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 10 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-369-4908
Primary Part Number66A
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTuthill Corp Hansen Coupling Div
StatusCANCELLED
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
MaterialSTEEL BODY
Nominal Thread Size0.750 INCHES ALL ENDS IN
Quick Disconnect Nominal Size0.750 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Quick Disconnect MethodPUSH-PULL ALL ENDS
Style DesignatorMALE COUPLING HALF
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Features ProvidedSELF-SEALING
Connection StylePLAIN ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6630-00-399-29752742A1-118 INTERCHANGEABLE
Seat,rubber
Unicontrol Inc Hays Cleveland Div
5340-00-473-59661000G INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
7520-00-515-2490 INTERCHANGEABLE
Stapling Machine,paper,office
Cross-Reference Index
Part NumberManufacturer
66A PRIMARY Tuthill Corp Hansen Coupling Div (USA)
66-6 Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA)
Related Parts
6630-00-399-2975INTERCHANGEABLE
SEAT,RUBBER
2742A1-118
5340-00-473-5966INTERCHANGEABLE
KEY BLANK
1000G
7520-00-515-2490INTERCHANGEABLE
STAPLING MACHINE,PAPER,OFFICE

Frequently Asked Questions

What is NSN 4730-01-369-4908?

NSN 4730-01-369-4908 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-369-4908?

NSN 4730-01-369-4908 has 2 cross-referenced part numbers: 66A (Tuthill Corp Hansen Coupling Div), 66-6 (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co).

What NSN replaces 4730-01-369-4908?

There are 3 known substitutes for 4730-01-369-4908: 6630-00-399-2975, 5340-00-473-5966, 7520-00-515-2490. Verify interchangeability with system specifications before substitution.

What are the specifications of 66A?

Key specifications for 66A: Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Material: STEEL BODY; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Quick Disconnect Nominal Size: 0.750 INCHES ALL ENDS IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-369-4908 still in active supply?

NSN 4730-01-369-4908 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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