PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50ECoupling Half,quick Disconnect

Tuthill Corp Hansen Coupling Div · NSN 4730-00-480-1858 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-480-1858 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-480-1858. Primary manufacturer part number: 50E.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Material: STEEL BODY
  • Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
  • Nominal Thread Size: 0.250 INCHES ALL ENDS IN
  • Connection Style: PLAIN ALL ENDS
  • Quick Disconnect Nominal Size: 0.578 INCHES ALL ENDS IN
  • Surface Treatment: ZINC BODY
  • Thread Series Designator: NPT ALL ENDS
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-480-1858, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-480-1858
Primary Part Number50E
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTuthill Corp Hansen Coupling Div
StatusACTIVE
MaterialSTEEL BODY
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Nominal Thread Size0.250 INCHES ALL ENDS IN
Connection StylePLAIN ALL ENDS
Quick Disconnect Nominal Size0.578 INCHES ALL ENDS IN
Surface TreatmentZINC BODY
Thread Series DesignatorNPT ALL ENDS
Quick Disconnect MethodPUSH-PULL ALL ENDS
Leg Length0.562 INCHES NOMINAL IN
Connection TypeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6625-00-610-57924250-020-38 INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
4820-01-253-278752-C-8429-10 INTERCHANGEABLE
Valve,angle
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
4820-01-549-1241V404P-10-6 INTERCHANGEABLE
Cock,drain
Parker-Hannifin Corp Div Fluid System Connector Division
Cross-Reference Index
Part NumberManufacturer
50 Tuthill Corp Hansen Coupling Div (USA)
50E PRIMARY Tuthill Corp Hansen Coupling Div (USA)
2132098-2 The Boeing Company Div Defense (USA)
2132098-2 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
H52-MPC2 Hofmann Engineering Co Inc (USA)
2132098-2 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA)
Related Parts
6625-00-610-5792INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
4250-020-38
4820-01-253-2787INTERCHANGEABLE
VALVE,ANGLE
52-C-8429-10
4820-01-549-1241INTERCHANGEABLE
COCK,DRAIN
V404P-10-6

Frequently Asked Questions

What is NSN 4730-00-480-1858?

NSN 4730-00-480-1858 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-480-1858?

NSN 4730-00-480-1858 has 6 cross-referenced part numbers: 50 (Tuthill Corp Hansen Coupling Div), 50E (Tuthill Corp Hansen Coupling Div), 2132098-2 (The Boeing Company Div Defense), 2132098-2 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), H52-MPC2 (Hofmann Engineering Co Inc) and 1 more.

What NSN replaces 4730-00-480-1858?

There are 3 known substitutes for 4730-00-480-1858: 6625-00-610-5792, 4820-01-253-2787, 4820-01-549-1241. Verify interchangeability with system specifications before substitution.

What are the specifications of 50E?

Key specifications for 50E: End Item Identification: 02N STRATEGIC WEAPON SYSTEMS (POSEIDON AND TRIDENT); Material: STEEL BODY; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Nominal Thread Size: 0.250 INCHES ALL ENDS IN. 13 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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