PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS1737D48Ferrule,swage,tube Coupling

Sae International Dba Sae International · NSN 4730-01-332-8721 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-332-8721 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-332-8721. Primary manufacturer part number: AS1737D48.
Features
  • Ferrule,swage,tube Coupling — FSC 4730
  • Casehardening Indicator: NOT CASEHARDENED
  • Material: ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024
  • Style Designator: SINGLE FLANGE
  • Nondefinitive Spec/std Data: 48 SIZE
  • Specification/standard Data: 81343-AS1737 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Sleeve Outside Diameter: 3.145 INCHES NOMINAL IN
  • Hose/tube Outside Diameter for Which Designed: 3.000 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 2014 or Aluminum Alloy 2024 construction
General Description

The Ferrule,swage,tube Coupling, cataloged under National Stock Number 4730-01-332-8721, 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 Sae International Dba Sae International. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-332-8721
Primary Part NumberAS1737D48
Item NameFerrule,swage,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Casehardening IndicatorNOT CASEHARDENED
MaterialALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024
Style DesignatorSINGLE FLANGE
Nondefinitive Spec/std Data48 SIZE
Specification/standard Data81343-AS1737 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Sleeve Outside Diameter3.145 INCHES NOMINAL IN
Hose/tube Outside Diameter for Which Designed3.000 INCHES NOMINAL IN
Slot Quantity6
Flange Width0.090 INCHES NOMINAL IN
Flange Outside Diameter3.369 INCHES NOMINAL IN
Flange Inside Diameter2.979 INCHES NOMINAL IN
Slot Depth0.008 INCHES NOMINAL IN
Slot Width0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-068-5864AS1738-1D12 INTERCHANGEABLE
Nut Assembly,tube Coupling
Sae International Dba Sae International
4730-00-083-7178AS1732D12 INTERCHANGEABLE
Ferrule,swage,tube Coupling
Sae International Dba Sae International
4730-00-096-8911SAE AS1732D08 INTERCHANGEABLE
Coupling Body,tube
Sae International Dba Sae International
4730-00-472-8193AS1737D24 INTERCHANGEABLE
Ferrule,swage,tube Coupling
Sae International Dba Sae International
3120-01-054-0883 INTERCHANGEABLE
Bearing,washer,thrust
3110-01-188-48368526-51 INTERCHANGEABLE
Seat,bearing
Cef Industries, Llc Dba Cef Industries Inc
4730-01-283-5134AS1737D20 INTERCHANGEABLE
Ferrule,swage,tube Coupling
Sae International Dba Sae International
4730-01-287-1088AS1737D32 INTERCHANGEABLE
Ferrule,swage,tube Coupling
Sae International Dba Sae International
4730-01-333-2407AS1737D08 INTERCHANGEABLE
Ferrule,swage,tube Coupling
Sae International Dba Sae International
4730-01-333-2408AS1737D12 INTERCHANGEABLE
Ferrule,swage,tube Coupling
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS1737 Society of Automotive Engineers Inc (USA)
AS1737D48 PRIMARY Sae International Dba Sae International (USA)
AS1730 Society of Automotive Engineers Inc (USA)
AS1730 Sae International Dba Sae International (USA)
SAE-AS1730 Sae International Dba Sae International (USA)
AS1737D48 Society of Automotive Engineers Inc (USA)
AS1737 Sae International Dba Sae International (USA)
TC038-48AE Hydraflow (USA)
Related Parts
4730-00-068-5864INTERCHANGEABLE
NUT ASSEMBLY,TUBE COUPLING
AS1738-1D12
4730-00-083-7178INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1732D12
4730-00-096-8911INTERCHANGEABLE
COUPLING BODY,TUBE
SAE AS1732D08
4730-00-472-8193INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1737D24
3120-01-054-0883INTERCHANGEABLE
BEARING,WASHER,THRUST
3110-01-188-4836INTERCHANGEABLE
SEAT,BEARING
8526-51
4730-01-283-5134INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1737D20
4730-01-287-1088INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1737D32
4730-01-333-2407INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1737D08
4730-01-333-2408INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1737D12
4730-01-333-3017INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1732D48
4730-01-334-0804INTERCHANGEABLE
NUT ASSEMBLY,TUBE COUPLING
AS1738-1D08

Frequently Asked Questions

What is NSN 4730-01-332-8721?

NSN 4730-01-332-8721 is a Ferrule,swage,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-332-8721?

NSN 4730-01-332-8721 has 8 cross-referenced part numbers: AS1737 (Society of Automotive Engineers Inc), AS1737D48 (Sae International Dba Sae International), AS1730 (Society of Automotive Engineers Inc), AS1730 (Sae International Dba Sae International), SAE-AS1730 (Sae International Dba Sae International) and 3 more.

What NSN replaces 4730-01-332-8721?

There are 12 known substitutes for 4730-01-332-8721: 4730-00-068-5864, 4730-00-083-7178, 4730-00-096-8911 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS1737D48?

Key specifications for AS1737D48: Special Features: COLOR MAGENTA; Overall Length: 0.670 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED; Material: ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-332-8721 still in active supply?

NSN 4730-01-332-8721 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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