PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN6220-8Coupling Half,self-Sealing

Aeronautical Standards Group Dept of Navy and Air Force · NSN 4730-00-202-9400 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-202-9400 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-202-9400. Primary manufacturer part number: AN6220-8.
Features
  • Coupling Half,self-Sealing — FSC 4730
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL BODY
  • Thread Series Designator: UNF ALL ENDS
  • Seat Angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
  • Features Provided: SELF-SEALING
  • Connection Style: FLARED ALL ENDS
  • Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-00-202-9400, 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 Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-202-9400
Primary Part NumberAN6220-8
Item NameCoupling Half,self-Sealing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL BODY
Thread Series DesignatorUNF ALL ENDS
Seat Angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
Features ProvidedSELF-SEALING
Connection StyleFLARED ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Thread Class3A ALL ENDS A
Nominal Thread Size0.750 INCHES ALL ENDS IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL BODY
Features ProvidedSELF-SEALING
Surface TreatmentCADMIUM BODY
Surface TreatmentCADMIUM BODY
Style DesignatorMALE COUPLING HALF
Seat Angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
Nominal Thread Size0.750 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Thread Series DesignatorUNF ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-202-9402 INTERCHANGEABLE
Coupling Half,self-Sealing
4730-00-202-9408140-S1-8D INTERCHANGEABLE
Coupling Half,self-Sealing
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-00-203-7499157-6 INTERCHANGEABLE
Coupling Assembly,self-Sealing
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-00-433-2553 INTERCHANGEABLE
Coupling Half,self-Sealing
Cross-Reference Index
Part NumberManufacturer
AN6220-8 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MIL-C-5502 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
140S2-8D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
4730-00-202-9402INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
4730-00-202-9408INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
140-S1-8D
4730-00-203-7499INTERCHANGEABLE
COUPLING ASSEMBLY,SELF-SEALING
157-6
4730-00-433-2553INTERCHANGEABLE
COUPLING HALF,SELF-SEALING

Frequently Asked Questions

What is NSN 4730-00-202-9400?

NSN 4730-00-202-9400 is a Coupling Half,self-Sealing, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-202-9400?

NSN 4730-00-202-9400 has 3 cross-referenced part numbers: AN6220-8 (Aeronautical Standards Group Dept of Navy and Air Force), MIL-C-5502 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 140S2-8D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).

What NSN replaces 4730-00-202-9400?

There are 4 known substitutes for 4730-00-202-9400: 4730-00-202-9402, 4730-00-202-9408, 4730-00-203-7499 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN6220-8?

Key specifications for AN6220-8: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL BODY; Thread Series Designator: UNF ALL ENDS; Seat Angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-202-9400 still in active supply?

NSN 4730-00-202-9400 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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