PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

140-S1-8DCoupling Half,self-Sealing

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4730-00-202-9408 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-202-9408 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-202-9408. Primary manufacturer part number: 140-S1-8D.
Features
  • Coupling Half,self-Sealing — FSC 4730
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Features Provided: SELF-SEALING
  • Thread Series Designator: UNF ALL ENDS
  • Thread Class: 3A ALL ENDS A
  • Connection Style: FLARED ALL ENDS
  • Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
  • Features Provided: SELF-SEALING
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-00-202-9408, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. 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
NSN4730-00-202-9408
Primary Part Number140-S1-8D
Item NameCoupling Half,self-Sealing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusCANCELLED
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Features ProvidedSELF-SEALING
Thread Series DesignatorUNF ALL ENDS
Thread Class3A ALL ENDS A
Connection StyleFLARED ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Features ProvidedSELF-SEALING
Nominal Thread Size0.750 INCHES ALL ENDS IN
Seat Angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
Seat Angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
MaterialALUMINUM ALLOY BODY
MaterialALUMINUM ALLOY BODY
Style DesignatorMALE COUPLING HALF
Style DesignatorMALE COUPLING HALF
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Surface TreatmentANODIZE BODY
Nominal Thread Size0.750 INCHES ALL ENDS IN
Surface TreatmentANODIZE BODY
Thread Series DesignatorUNF ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-202-9400 INTERCHANGEABLE
Coupling Half,self-Sealing
4730-00-202-9402 INTERCHANGEABLE
Coupling Half,self-Sealing
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
AN6221-8 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
140-S1-8D PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
4730-00-202-9400INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
4730-00-202-9402INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
4730-00-203-7499INTERCHANGEABLE
COUPLING ASSEMBLY,SELF-SEALING
157-6
4730-00-433-2553INTERCHANGEABLE
COUPLING HALF,SELF-SEALING

Frequently Asked Questions

What is NSN 4730-00-202-9408?

NSN 4730-00-202-9408 is a Coupling Half,self-Sealing, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-202-9408?

NSN 4730-00-202-9408 has 3 cross-referenced part numbers: AN6221-8 (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), 140-S1-8D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).

What NSN replaces 4730-00-202-9408?

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

What are the specifications of 140-S1-8D?

Key specifications for 140-S1-8D: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Features Provided: SELF-SEALING; Thread Series Designator: UNF ALL ENDS; Thread Class: 3A ALL ENDS A. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-202-9408 still in active supply?

NSN 4730-00-202-9408 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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