PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19163Coupling,tube

Draf Industries, Inc · NSN 4730-01-622-8454 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-622-8454 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-622-8454. Primary manufacturer part number: 19163.
Features
  • Coupling,tube — FSC 4730
  • Thread Series Designator: ACME FIRST END
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Media for Which Designed: REFRIGERATION COMPOUND FIRST RESPONSE
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL TUBE SECOND END
  • 2 verified cross-references
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling,tube, cataloged under National Stock Number 4730-01-622-8454, 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 Draf Industries, Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4730-01-622-8454
Primary Part Number19163
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDraf Industries, Inc
StatusACTIVE
Thread Series DesignatorACME FIRST END
Nominal Thread Size0.500 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Media for Which DesignedREFRIGERATION COMPOUND FIRST RESPONSE
Nominal Thread Size0.250 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-278-5493SAE J512 10 060110B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
5930-01-251-3508 INTERCHANGEABLE
Switch,toggle
3120-01-549-634219163 INTERCHANGEABLE
Bushing,sleeve
Generac Mobile Products, Llc
6515-01-588-7384F20022 INTERCHANGEABLE
Case,ventillator
Automedx, Llc
Cross-Reference Index
Part NumberManufacturer
19163 Draf Industries, Inc (USA)
19163 Ritchie Engineering Co Inc (USA)
Related Parts
4730-00-278-5493INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J512 10 060110B
5930-01-251-3508INTERCHANGEABLE
SWITCH,TOGGLE
3120-01-549-6342INTERCHANGEABLE
BUSHING,SLEEVE
19163
6515-01-588-7384INTERCHANGEABLE
CASE,VENTILLATOR
F20022

Frequently Asked Questions

What is NSN 4730-01-622-8454?

NSN 4730-01-622-8454 is a Coupling,tube, manufactured by Draf Industries, Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-622-8454?

NSN 4730-01-622-8454 has 2 cross-referenced part numbers: 19163 (Draf Industries, Inc), 19163 (Ritchie Engineering Co Inc).

What NSN replaces 4730-01-622-8454?

There are 4 known substitutes for 4730-01-622-8454: 4730-00-278-5493, 5930-01-251-3508, 3120-01-549-6342 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19163?

Key specifications for 19163: Thread Series Designator: ACME FIRST END; Nominal Thread Size: 0.500 INCHES FIRST END IN; Connection Type: THREADED INTERNAL TUBE FIRST END; Media for Which Designed: REFRIGERATION COMPOUND FIRST RESPONSE. 7 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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