PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56944Coupling Half,quick Disconnect

Nycoil Co · NSN 4730-01-161-2053 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-161-2053 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-161-2053. Primary manufacturer part number: 56944.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Quick Disconnect Nominal Size: 0.250 INCHES ALL ENDS IN
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
  • Style Designator: MALE COUPLING HALF
  • Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
  • Material: COPPER ALLOY BODY
  • Connection Style: PLAIN ALL ENDS
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-161-2053, 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 Nycoil Co. Government technical data includes 11 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-161-2053
Primary Part Number56944
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNycoil Co
StatusACTIVE
Quick Disconnect Nominal Size0.250 INCHES ALL ENDS IN
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Style DesignatorMALE COUPLING HALF
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
MaterialCOPPER ALLOY BODY
Connection StylePLAIN ALL ENDS
Leg Length0.870 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN
Quick Disconnect MethodPUSH-PULL THIRD QUICK DISCONNECT END
Nominal Thread Size0.250 INCHES ALL ENDS IN
Flow Angle90.0 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-903-799963119 INTERCHANGEABLE
Transformer,power
Power Paragon Inc Dba Air Borne Power Div Airborne Power
4820-01-009-6114A-7534Y-1 INTERCHANGEABLE
Valve,bleeder,hydraulic System
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
6145-01-138-27181898/4C INTERCHANGEABLE
Cable,power,electrical
Belden, Inc.
5995-01-522-091856944 INTERCHANGEABLE
Interface Kit
Intermec Corp
Cross-Reference Index
Part NumberManufacturer
56944 PRIMARY Nycoil Co (USA)
Related Parts
5950-00-903-7999INTERCHANGEABLE
TRANSFORMER,POWER
63119
4820-01-009-6114INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
A-7534Y-1
6145-01-138-2718INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
1898/4C
5995-01-522-0918INTERCHANGEABLE
INTERFACE KIT
56944

Frequently Asked Questions

What is NSN 4730-01-161-2053?

NSN 4730-01-161-2053 is a Coupling Half,quick Disconnect, manufactured by Nycoil Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-161-2053?

NSN 4730-01-161-2053 has 1 cross-referenced part number: 56944 (Nycoil Co).

What NSN replaces 4730-01-161-2053?

There are 4 known substitutes for 4730-01-161-2053: 5950-00-903-7999, 4820-01-009-6114, 6145-01-138-2718 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56944?

Key specifications for 56944: Quick Disconnect Nominal Size: 0.250 INCHES ALL ENDS IN; Special Features: W/PLASTIC INSERT IN QUICK DISCONNECT END; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Thread Series Designator: NPT ALL ENDS. 12 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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