PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3647GBCoupling Half,quick Disconnect

Greenlee Textron Inc. · NSN 4730-00-196-4941 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-196-4941 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-196-4941. Primary manufacturer part number: 3647GB.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Style Designator: MALE COUPLING HALF
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Material: STEEL CORROSION RESISTING BODY
  • Quick Disconnect Method: PUSH-PULL ALL ENDS
  • Style Designator: MALE COUPLING HALF
  • Thread Series Designator: NPT ALL ENDS
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-196-4941, 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 Greenlee Textron Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4730-00-196-4941
Primary Part Number3647GB
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGreenlee Textron Inc.
StatusACTIVE
Style DesignatorMALE COUPLING HALF
Nominal Thread Size0.750 INCHES ALL ENDS IN
Nominal Thread Size0.750 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING BODY
Quick Disconnect MethodPUSH-PULL ALL ENDS
Style DesignatorMALE COUPLING HALF
Thread Series DesignatorNPT ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Connection StylePLAIN ALL ENDS
Leg Length1.000 INCHES NOMINAL IN
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Thread Series DesignatorNPT ALL ENDS
MaterialSTEEL CORROSION RESISTING BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1680-00-565-965540505 INTERCHANGEABLE
Screw,adjusting
Honeywell International Inc. Div Aerospace - Torrance
4730-01-016-2533 INTERCHANGEABLE
Spud,water Closet
6680-01-028-305240505 INTERCHANGEABLE
Adapter,transmitter
Setra Systems, Inc. Dba Gems Sensors
6210-01-036-478540505 INTERCHANGEABLE
Lens,light
Switchcraft Inc.
5120-01-074-810535414 INTERCHANGEABLE
Bit,screwdriver
Magna Div Vermont American Corp
4730-01-100-9278 INTERCHANGEABLE
Plug,tube Repair
6515-01-106-5538 INTERCHANGEABLE
Pin,bone Nail Guide
3120-01-285-4979 INTERCHANGEABLE
Bearing Half,sleeve
3040-01-332-602040505 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Mti Insulated Products Inc.
5310-01-364-74214050-5 INTERCHANGEABLE
Nut Blank
Eaton Aerospace Llc Sterer Engineering Morgan Actuators
Cross-Reference Index
Part NumberManufacturer
3647GB PRIMARY Greenlee Textron Inc. (USA)
4050-5 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA)
4050-5 Parker-Hannifin Corporation Div Quick Coupling Division (USA)
Related Parts
1680-00-565-9655INTERCHANGEABLE
SCREW,ADJUSTING
40505
4730-01-016-2533INTERCHANGEABLE
SPUD,WATER CLOSET
6680-01-028-3052INTERCHANGEABLE
ADAPTER,TRANSMITTER
40505
6210-01-036-4785INTERCHANGEABLE
LENS,LIGHT
40505
5120-01-074-8105INTERCHANGEABLE
BIT,SCREWDRIVER
35414
4730-01-100-9278INTERCHANGEABLE
PLUG,TUBE REPAIR
6515-01-106-5538INTERCHANGEABLE
PIN,BONE NAIL GUIDE
3120-01-285-4979INTERCHANGEABLE
BEARING HALF,SLEEVE
3040-01-332-6020INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
40505
5310-01-364-7421INTERCHANGEABLE
NUT BLANK
4050-5
6810-01-406-7815INTERCHANGEABLE
FLUORIDE STANDARD
40505
2530-01-439-2440INTERCHANGEABLE
PARTS KIT,STEERING GEAR
40505

Frequently Asked Questions

What is NSN 4730-00-196-4941?

NSN 4730-00-196-4941 is a Coupling Half,quick Disconnect, manufactured by Greenlee Textron Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-196-4941?

NSN 4730-00-196-4941 has 3 cross-referenced part numbers: 3647GB (Greenlee Textron Inc.), 4050-5 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), 4050-5 (Parker-Hannifin Corporation Div Quick Coupling Division).

What NSN replaces 4730-00-196-4941?

There are 12 known substitutes for 4730-00-196-4941: 1680-00-565-9655, 4730-01-016-2533, 6680-01-028-3052 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3647GB?

Key specifications for 3647GB: Style Designator: MALE COUPLING HALF; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Material: STEEL CORROSION RESISTING BODY. 16 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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