PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-C-5502Coupling Half,self-Sealing

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4730-00-202-9402 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-202-9402 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-202-9402. Primary manufacturer part number: MIL-C-5502.
Features
  • Coupling Half,self-Sealing — FSC 4730
  • Thread Series Designator: UNF ALL ENDS
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Thread Size: 0.438 INCHES ALL ENDS IN
  • Connection Style: FLARED ALL ENDS
  • Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
  • Features Provided: SELF-SEALING
  • Thread Class: 3A ALL ENDS A
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-00-202-9402, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN4730-00-202-9402
Primary Part NumberMIL-C-5502
Item NameCoupling Half,self-Sealing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusACTIVE
Thread Series DesignatorUNF ALL ENDS
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size0.438 INCHES ALL ENDS IN
Connection StyleFLARED ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Features ProvidedSELF-SEALING
Thread Class3A ALL ENDS A
Seat Angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorMALE COUPLING HALF
Thread Series DesignatorUNF ALL ENDS
Features ProvidedSELF-SEALING
Seat Angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
Nominal Thread Size0.438 INCHES ALL ENDS IN
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-202-9400 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
MIL-C-5502 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
MIL-C-5502 Crown Fitting Co Inc (USA)
MIL-C-5502 Tech Aero Inc (USA)
Related Parts
4730-00-202-9400INTERCHANGEABLE
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 4730-00-202-9402?

NSN 4730-00-202-9402 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: active.

What are the part numbers for NSN 4730-00-202-9402?

NSN 4730-00-202-9402 has 4 cross-referenced part numbers: MIL-C-5502 (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), MIL-C-5502 (Crown Fitting Co Inc), MIL-C-5502 (Tech Aero Inc).

What NSN replaces 4730-00-202-9402?

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

What are the specifications of MIL-C-5502?

Key specifications for MIL-C-5502: Thread Series Designator: UNF ALL ENDS; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Thread Size: 0.438 INCHES ALL ENDS IN; Connection Style: FLARED ALL ENDS. 16 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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