PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3752-12Coupling Half,self-Sealing

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 4730-01-348-1528 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-348-1528 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-348-1528. Primary manufacturer part number: 3752-12.
Features
  • Coupling Half,self-Sealing — FSC 4730
  • Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
  • Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Seat Angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
  • Thread Class: 3A ALL ENDS A
  • Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Style: FLARELESS ALL ENDS
  • Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-01-348-1528, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-348-1528
Primary Part Number3752-12
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
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Seat Angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
Thread Class3A ALL ENDS A
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StyleFLARELESS ALL ENDS
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
Thread Quantity Per Inch12 ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Surface TreatmentANODIZE BODY
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE BODY
Style DesignatorMALE COUPLING HALF
MaterialALUMINUM ALLOY BODY
Thread Series DesignatorUN ALL ENDS
Nominal Thread Size1.062 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5915-00-162-426010690834 INTERCHANGEABLE
Phase Shifter,electronic
Us Army Aviation and Missile Command
5999-00-240-4304 INTERCHANGEABLE
Contact,electrical
5315-00-680-8774375212 INTERCHANGEABLE
Pin,straight,headed
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5120-00-690-7328J3752 INTERCHANGEABLE
Wrench,open End Box
The Stanley Works Dba Stanley Proto
6550-01-034-56408546719 INTERCHANGEABLE
Blood Diluting Solution
Beckman Coulter Inc Div Us Customer Operations
6550-01-039-3230 INTERCHANGEABLE
Blood Diluting Solution
5935-01-087-72313752 INTERCHANGEABLE
Connector Assembly,electrical
Fluke Electronics Corp
4940-01-141-03173752 INTERCHANGEABLE
Platform,work
Us Army Aviation and Missile Command
5330-01-180-27653752 INTERCHANGEABLE
Seal,plain
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
9150-01-317-38213752 INTERCHANGEABLE
Grease,ball and Roller Bearing
Lubrication Engineers, Inc.
Cross-Reference Index
Part NumberManufacturer
3752 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
3752-12 PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
5915-00-162-4260INTERCHANGEABLE
PHASE SHIFTER,ELECTRONIC
10690834
5999-00-240-4304INTERCHANGEABLE
CONTACT,ELECTRICAL
5315-00-680-8774INTERCHANGEABLE
PIN,STRAIGHT,HEADED
375212
5120-00-690-7328INTERCHANGEABLE
WRENCH,OPEN END BOX
J3752
6550-01-034-5640INTERCHANGEABLE
BLOOD DILUTING SOLUTION
8546719
6550-01-039-3230INTERCHANGEABLE
BLOOD DILUTING SOLUTION
5935-01-087-7231INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
3752
4940-01-141-0317INTERCHANGEABLE
PLATFORM,WORK
3752
5330-01-180-2765INTERCHANGEABLE
SEAL,PLAIN
3752
9150-01-317-3821INTERCHANGEABLE
GREASE,BALL AND ROLLER BEARING
3752
5935-01-447-6458INTERCHANGEABLE
BRACKET,ELECTRICAL CONNECTOR
3752

Frequently Asked Questions

What is NSN 4730-01-348-1528?

NSN 4730-01-348-1528 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 4730-01-348-1528?

NSN 4730-01-348-1528 has 2 cross-referenced part numbers: 3752 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 3752-12 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).

What NSN replaces 4730-01-348-1528?

There are 11 known substitutes for 4730-01-348-1528: 5915-00-162-4260, 5999-00-240-4304, 5315-00-680-8774 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3752-12?

Key specifications for 3752-12: Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE; Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Seat Angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED; Thread Class: 3A ALL ENDS A. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com