PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS1738-1D28Nut Assembly,tube Coupling

Sae International Dba Sae International · NSN 4730-01-517-8688 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-517-8688 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-517-8688. Primary manufacturer part number: AS1738-1D28.
Features
  • Nut Assembly,tube Coupling — FSC 4730
  • Screw Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
  • Material: ALUMINUM ALLOY
  • Style Designator: NUT ASSEMBLY
  • Specification/standard Data: 81343-AS1730 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nondefinitive Spec/std Data: 1 TYPE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Nut Assembly,tube Coupling, cataloged under National Stock Number 4730-01-517-8688, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, 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
NSN4730-01-517-8688
Primary Part NumberAS1738-1D28
Item NameNut Assembly,tube Coupling
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Screw Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Thread Class2B
MaterialALUMINUM ALLOY
Style DesignatorNUT ASSEMBLY
Specification/standard Data81343-AS1730 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE
Thread Size1.500-12
Outside Diameter2.402 INCHES NOMINAL IN
Tube Outside Diameter for Which Designed1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
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
3120-01-054-0883 INTERCHANGEABLE
Bearing,washer,thrust
3110-01-188-48368526-51 INTERCHANGEABLE
Seat,bearing
Cef Industries, Llc Dba Cef Industries Inc
4730-01-287-1088AS1737D32 INTERCHANGEABLE
Ferrule,swage,tube Coupling
Sae International Dba Sae International
4730-01-332-8721AS1737D48 INTERCHANGEABLE
Ferrule,swage,tube Coupling
Sae International Dba Sae International
4730-01-333-3017AS1732D48 INTERCHANGEABLE
Ferrule,swage,tube Coupling
Sae International Dba Sae International
4730-01-334-0804AS1738-1D08 INTERCHANGEABLE
Nut Assembly,tube Coupling
Sae International Dba Sae International
4730-01-653-069383053-28DE INTERCHANGEABLE
Nut Assembly,tube Coupling
Transdigm Inc Div Adelwiggins Group
Cross-Reference Index
Part NumberManufacturer
AS1738 Sae International Dba Sae International (USA)
AS1730 Sae International Dba Sae International (USA)
AS1738-1D28 Society of Automotive Engineers Inc (USA)
SAE-AS1730 Sae International Dba Sae International (USA)
AS1738-1D28 PRIMARY Sae International Dba Sae International (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
3120-01-054-0883INTERCHANGEABLE
BEARING,WASHER,THRUST
3110-01-188-4836INTERCHANGEABLE
SEAT,BEARING
8526-51
4730-01-287-1088INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1737D32
4730-01-332-8721INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1737D48
4730-01-333-3017INTERCHANGEABLE
FERRULE,SWAGE,TUBE COUPLING
AS1732D48
4730-01-334-0804INTERCHANGEABLE
NUT ASSEMBLY,TUBE COUPLING
AS1738-1D08
4730-01-653-0693INTERCHANGEABLE
NUT ASSEMBLY,TUBE COUPLING
83053-28DE
4730-01-655-1316INTERCHANGEABLE
NUT ASSEMBLY,TUBE COUPLING
AS1738-1D48

Frequently Asked Questions

What is NSN 4730-01-517-8688?

NSN 4730-01-517-8688 is a Nut Assembly,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-517-8688?

NSN 4730-01-517-8688 has 5 cross-referenced part numbers: AS1738 (Sae International Dba Sae International), AS1730 (Sae International Dba Sae International), AS1738-1D28 (Society of Automotive Engineers Inc), SAE-AS1730 (Sae International Dba Sae International), AS1738-1D28 (Sae International Dba Sae International).

What NSN replaces 4730-01-517-8688?

There are 11 known substitutes for 4730-01-517-8688: 4730-00-068-5864, 4730-00-083-7178, 4730-00-096-8911 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS1738-1D28?

Key specifications for AS1738-1D28: Overall Length: 0.644 INCHES NOMINAL IN; Screw Thread Series Designator: UNF; Thread Direction: RIGHT-HAND; Thread Class: 2B. 12 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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