PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17309Adapter,straight,pipe to Tube

Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling · NSN 4730-00-906-1681 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-906-1681 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-906-1681. Primary manufacturer part number: 17309.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Thread Class: 2A FIRST END A
  • Nominal Overall Length: 1.812 INCHES IN
  • Surface Treatment: CADMIUM OUTSIDE
  • Nominal Thread Size: 0.750 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-906-1681, 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 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling. Government technical data includes 16 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-906-1681
Primary Part Number17309
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
StatusACTIVE
Thread Class2A FIRST END A
Nominal Overall Length1.812 INCHES IN
Surface TreatmentCADMIUM OUTSIDE
Nominal Thread Size0.750 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Pipe Size Accommodated0.750 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size0.875 INCHES FIRST END IN
MaterialSTEEL OVERALL
Thread Series DesignatorNPT SECOND END
Seat Angle37.0 DEGREES FIRST END
Thread Series DesignatorUNF FIRST END
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
Surface TreatmentCADMIUM INSIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-186-9961AS5195W0402 INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5345-00-187-3433 INTERCHANGEABLE
Disk,abrasive
4730-00-403-5649 INTERCHANGEABLE
Elbow,pipe to Tube
4730-00-555-1764 INTERCHANGEABLE
Elbow,pipe to Tube
5905-00-794-38951-7309 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Viasys Respiratory Care Inc. Dba Biosys Healthcare
5315-00-828-982453A68A163 INTERCHANGEABLE
Pin,straight,threaded
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6515-01-586-5646866044 INTERCHANGEABLE
Monitor,patient Vital Signs
Philips North America Llc Dba Philips Healthcare
Cross-Reference Index
Part NumberManufacturer
17309 PRIMARY Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
2024-6-8S Marison Industries Inc Barco Div (USA)
17309 Hyster-Yale Group, Inc. (USA)
Related Parts
4730-00-186-9961INTERCHANGEABLE
ELBOW,PIPE TO TUBE
AS5195W0402
5345-00-187-3433INTERCHANGEABLE
DISK,ABRASIVE
4730-00-403-5649INTERCHANGEABLE
ELBOW,PIPE TO TUBE
4730-00-555-1764INTERCHANGEABLE
ELBOW,PIPE TO TUBE
5905-00-794-3895INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
1-7309
5315-00-828-9824INTERCHANGEABLE
PIN,STRAIGHT,THREADED
53A68A163
6515-01-586-5646INTERCHANGEABLE
MONITOR,PATIENT VITAL SIGNS
866044

Frequently Asked Questions

What is NSN 4730-00-906-1681?

NSN 4730-00-906-1681 is a Adapter,straight,pipe to Tube, manufactured by Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-906-1681?

NSN 4730-00-906-1681 has 3 cross-referenced part numbers: 17309 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 2024-6-8S (Marison Industries Inc Barco Div), 17309 (Hyster-Yale Group, Inc.).

What NSN replaces 4730-00-906-1681?

There are 7 known substitutes for 4730-00-906-1681: 4730-00-186-9961, 5345-00-187-3433, 4730-00-403-5649 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17309?

Key specifications for 17309: Thread Class: 2A FIRST END A; Nominal Overall Length: 1.812 INCHES IN; Surface Treatment: CADMIUM OUTSIDE; Nominal Thread Size: 0.750 INCHES SECOND END IN. 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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