PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50501Coupling Half,quick Disconnect

Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit · NSN 4730-00-842-7551 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-842-7551 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-842-7551. Primary manufacturer part number: 50501.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Leg Length: 1.060 INCHES NOMINAL IN
  • Style Designator: MALE COUPLING HALF
  • Seat Angle: 24.0 DEGREES
  • Thread Series Designator: UNF ALL ENDS
  • Features Provided: SELF-SEALING
  • Nominal Thread Size: 0.562 INCHES ALL ENDS IN
  • Thread Class: 3A ALL ENDS A
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-842-7551, 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 Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4730-00-842-7551
Primary Part Number50501
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
StatusACTIVE
Leg Length1.060 INCHES NOMINAL IN
Style DesignatorMALE COUPLING HALF
Seat Angle24.0 DEGREES
Thread Series DesignatorUNF ALL ENDS
Features ProvidedSELF-SEALING
Nominal Thread Size0.562 INCHES ALL ENDS IN
Thread Class3A ALL ENDS A
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Flow Angle90.0 DEGREES
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Quick Disconnect MethodPUSH-PULL ALL ENDS
Connection StyleFLARELESS ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
MaterialSTEEL CORROSION RESISTING BODY
Surface TreatmentPASSIVATE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-252-3697 INTERCHANGEABLE
File,rotary
5330-00-253-32475050-1 INTERCHANGEABLE
Packing,preformed
Eaton Corporation Dba Jackson Plant
2835-00-454-6608 INTERCHANGEABLE
Tongue Assy
4730-00-595-45665226127 INTERCHANGEABLE
Packing Nut
Dana Corp Spicer Transmission Div
6645-00-663-4079505-01 INTERCHANGEABLE
Clock,panel
Elbitamerica, Inc.
6530-01-206-4513 INTERCHANGEABLE
Restraint Vest
5342-01-218-4477000-50501-0000 INTERCHANGEABLE
Plate,gate
Orscheln Products Llc
4720-01-266-815350501 INTERCHANGEABLE
Hose Assembly,metallic
Nch Corporation Dba Nch Corp
6680-01-279-7531XM-36485-70-1000-I-L INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5820-01-512-5432T04KLH9PW7AN INTERCHANGEABLE
Receiver-Transmitter,radio
U S Dept of Transportation Federal Aviation Administration
Cross-Reference Index
Part NumberManufacturer
50501 PRIMARY Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (USA)
Related Parts
3455-00-252-3697INTERCHANGEABLE
FILE,ROTARY
5330-00-253-3247INTERCHANGEABLE
PACKING,PREFORMED
5050-1
2835-00-454-6608INTERCHANGEABLE
TONGUE ASSY
4730-00-595-4566INTERCHANGEABLE
PACKING NUT
5226127
6645-00-663-4079INTERCHANGEABLE
CLOCK,PANEL
505-01
6530-01-206-4513INTERCHANGEABLE
RESTRAINT VEST
5342-01-218-4477INTERCHANGEABLE
PLATE,GATE
000-50501-0000
4720-01-266-8153INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
50501
6680-01-279-7531INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
XM-36485-70-1000-I-L
5820-01-512-5432INTERCHANGEABLE
RECEIVER-TRANSMITTER,RADIO
T04KLH9PW7AN
7930-01-521-7614INTERCHANGEABLE
CLEANER,MULTI-PURPOSE
5050-1
5310-01-599-6817INTERCHANGEABLE
NUT,EXTENDED,HEXAGO

Frequently Asked Questions

What is NSN 4730-00-842-7551?

NSN 4730-00-842-7551 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-842-7551?

NSN 4730-00-842-7551 has 1 cross-referenced part number: 50501 (Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit).

What NSN replaces 4730-00-842-7551?

There are 12 known substitutes for 4730-00-842-7551: 3455-00-252-3697, 5330-00-253-3247, 2835-00-454-6608 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50501?

Key specifications for 50501: Leg Length: 1.060 INCHES NOMINAL IN; Style Designator: MALE COUPLING HALF; Seat Angle: 24.0 DEGREES; Thread Series Designator: UNF ALL ENDS. 15 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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