PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN6220-16Coupling Half,self-Sealing

Aeronautical Standards Group Dept of Navy and Air Force · NSN 4730-00-433-2553 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-433-2553 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-433-2553. Primary manufacturer part number: AN6220-16.
Features
  • Coupling Half,self-Sealing — FSC 4730
  • Connection Style: FLARED ALL ENDSFLARED ALL ENDS
  • Style Designator: MALE COUPLING HALF
  • Seat Angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
  • Features Provided: SELF-SEALINGSELF-SEALING
  • Surface Treatment: CADMIUM BODY
  • Thread Class: 3A ALL ENDS3A ALL ENDS A
  • Thread Quantity Per Inch: 12 ALL ENDS12 ALL ENDS
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-00-433-2553, 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 12 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: Active.

Technical Specifications
ParameterValue
NSN4730-00-433-2553
Primary Part NumberAN6220-16
Item NameCoupling Half,self-Sealing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Connection StyleFLARED ALL ENDSFLARED ALL ENDS
Style DesignatorMALE COUPLING HALF
Seat Angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
Features ProvidedSELF-SEALINGSELF-SEALING
Surface TreatmentCADMIUM BODY
Thread Class3A ALL ENDS3A ALL ENDS A
Thread Quantity Per Inch12 ALL ENDS12 ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTIONTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Thread Series DesignatorUN ALL ENDS
MaterialSTEEL BODY
Nominal Thread Size1.312 INCHES ALL ENDS1.312 INCHES ALL ENDS IN
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-202-9400 INTERCHANGEABLE
Coupling Half,self-Sealing
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
Cross-Reference Index
Part NumberManufacturer
AN6220-16 Aeronautical Standards Group Dept of Navy and Air Force (USA)
140S2-16D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
MIL-C-5502 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-202-9400INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
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

Frequently Asked Questions

What is NSN 4730-00-433-2553?

NSN 4730-00-433-2553 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: active.

What are the part numbers for NSN 4730-00-433-2553?

NSN 4730-00-433-2553 has 3 cross-referenced part numbers: AN6220-16 (Aeronautical Standards Group Dept of Navy and Air Force), 140S2-16D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), MIL-C-5502 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-433-2553?

There are 4 known substitutes for 4730-00-433-2553: 4730-00-202-9400, 4730-00-202-9402, 4730-00-202-9408 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN6220-16?

Key specifications for AN6220-16: Connection Style: FLARED ALL ENDSFLARED ALL ENDS; Style Designator: MALE COUPLING HALF; Seat Angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED; Features Provided: SELF-SEALINGSELF-SEALING. 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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