PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4770-2Coupling Half,quick Disconnect

Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division · NSN 4730-00-022-2749 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-022-2749 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-022-2749. Primary manufacturer part number: 4770-2.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Thread Class: 3A ALL ENDS A
  • Leg Length: 0.650 INCHES NOMINAL IN
  • Quick Disconnect Method: PUSH-PULL SECOND QUICK DISCONNECT END
  • Nominal Thread Size: 0.438 INCHES ALL ENDS IN
  • Connection Style: FLARED ALL ENDS
  • Unpackaged Unit Width: 1.000 INCHES NOMINAL IN
  • Thread Series Designator: UNF ALL ENDS
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-022-2749, 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 Dba Pneutronics Div Quick Coupler Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-022-2749
Primary Part Number4770-2
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
StatusACTIVE
Thread Class3A ALL ENDS A
Leg Length0.650 INCHES NOMINAL IN
Quick Disconnect MethodPUSH-PULL SECOND QUICK DISCONNECT END
Nominal Thread Size0.438 INCHES ALL ENDS IN
Connection StyleFLARED ALL ENDS
Unpackaged Unit Width1.000 INCHES NOMINAL IN
Thread Series DesignatorUNF ALL ENDS
Thread Quantity Per Inch20 ALL ENDS
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6640-00-009-946747702 INTERCHANGEABLE
Hood,fume,laboratory
Labconco Corp
5330-00-137-0004350-450-16 INTERCHANGEABLE
Seal,plain Encased
John Crane, Inc
4130-01-114-4699 INTERCHANGEABLE
Bracket,bearing
4820-01-162-4215477-02 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
3014732 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
4730PL0971185 Jednolity Indeks Materialowy - Uniform Material Index (POL)
SPHB4-4-56-303 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
4770-2 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
Related Parts
6640-00-009-9467INTERCHANGEABLE
HOOD,FUME,LABORATORY
47702
5330-00-137-0004INTERCHANGEABLE
SEAL,PLAIN ENCASED
350-450-16
4130-01-114-4699INTERCHANGEABLE
BRACKET,BEARING
4820-01-162-4215INTERCHANGEABLE
STEM,FLUID VALVE
477-02

Frequently Asked Questions

What is NSN 4730-00-022-2749?

NSN 4730-00-022-2749 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-022-2749?

NSN 4730-00-022-2749 has 4 cross-referenced part numbers: 3014732 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 4730PL0971185 (Jednolity Indeks Materialowy - Uniform Material Index), SPHB4-4-56-303 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 4770-2 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).

What NSN replaces 4730-00-022-2749?

There are 4 known substitutes for 4730-00-022-2749: 6640-00-009-9467, 5330-00-137-0004, 4130-01-114-4699 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4770-2?

Key specifications for 4770-2: Thread Class: 3A ALL ENDS A; Leg Length: 0.650 INCHES NOMINAL IN; Quick Disconnect Method: PUSH-PULL SECOND QUICK DISCONNECT END; Nominal Thread Size: 0.438 INCHES ALL ENDS IN. 10 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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