PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

531000-2Coupling Half,quick Disconnect

Essex Industries Inc Div Manufacturing Division · NSN 4730-00-060-8974 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-060-8974 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-060-8974. Primary manufacturer part number: 531000-2.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Thread Class: 3A ALL ENDS A
  • Connection Style: FLARED ALL ENDS
  • Quick Disconnect Method: TWIST-LOCK ALL ENDS
  • Leg Length: 1.313 INCHES NOMINAL IN
  • Features Provided: SELF-SEALING
  • Style Designator: MALE COUPLING HALF
  • Surface Treatment: PASSIVATE BODY
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-060-8974, 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 Essex Industries Inc Div Manufacturing Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4730-00-060-8974
Primary Part Number531000-2
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEssex Industries Inc Div Manufacturing Division
StatusACTIVE
Thread Class3A ALL ENDS A
Connection StyleFLARED ALL ENDS
Quick Disconnect MethodTWIST-LOCK ALL ENDS
Leg Length1.313 INCHES NOMINAL IN
Features ProvidedSELF-SEALING
Style DesignatorMALE COUPLING HALF
Surface TreatmentPASSIVATE BODY
Seat Angle37.0 DEGREES
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Nominal Thread Size0.562 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING BODY
Thread Series DesignatorUNF ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-106-2125 INTERCHANGEABLE
Switch,thermostatic
3455-00-231-352209510 INTERCHANGEABLE
Cutter,milling,shell End
Niagara Cutter Inc
6240-01-320-9026531-0002 INTERCHANGEABLE
Lamp,incandescent
Hoffman Engineering, Llc Dba Hoffman Engineering Llc
Cross-Reference Index
Part NumberManufacturer
531000-2 PRIMARY Essex Industries Inc Div Manufacturing Division (USA)
215-22301-2 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
Related Parts
5930-00-106-2125INTERCHANGEABLE
SWITCH,THERMOSTATIC
3455-00-231-3522INTERCHANGEABLE
CUTTER,MILLING,SHELL END
09510
6240-01-320-9026INTERCHANGEABLE
LAMP,INCANDESCENT
531-0002

Frequently Asked Questions

What is NSN 4730-00-060-8974?

NSN 4730-00-060-8974 is a Coupling Half,quick Disconnect, manufactured by Essex Industries Inc Div Manufacturing Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-060-8974?

NSN 4730-00-060-8974 has 2 cross-referenced part numbers: 531000-2 (Essex Industries Inc Div Manufacturing Division), 215-22301-2 (Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division).

What NSN replaces 4730-00-060-8974?

There are 3 known substitutes for 4730-00-060-8974: 5930-00-106-2125, 3455-00-231-3522, 6240-01-320-9026. Verify interchangeability with system specifications before substitution.

What are the specifications of 531000-2?

Key specifications for 531000-2: Thread Class: 3A ALL ENDS A; Connection Style: FLARED ALL ENDS; Quick Disconnect Method: TWIST-LOCK ALL ENDS; Overall Length: 2.542 INCHES NOMINAL 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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