PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20273Adapter,straight,tube to Hose

Teledyne Industries Inc Teledyne Power Systems Div · NSN 4730-00-202-7453 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-202-7453 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-202-7453. Primary manufacturer part number: 20273.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
  • Thread Series Designator: UNF FIRST END
  • Seat Angle: 45.0 DEGREES FIRST END
  • Surface Treatment: CADMIUM OUTSIDE
  • Connection Type: THREADED EXTERNAL TUBE SECOND END
  • Thread Class: 3A FIRST END A
  • Nominal Inside Diameter Hose Accommodated: 0.656 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Body construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-202-7453, 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 Teledyne Industries Inc Teledyne Power Systems Div. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-202-7453
Primary Part Number20273
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Power Systems Div
StatusACTIVE
Nominal Thread Size0.750 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Seat Angle45.0 DEGREES FIRST END
Surface TreatmentCADMIUM OUTSIDE
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Thread Class3A FIRST END A
Nominal Inside Diameter Hose Accommodated0.656 INCHES SECOND END IN
MaterialSTEEL BODY
Nominal Overall Length1.562 INCHES IN
Nominal Thread Size0.750 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Overall Length1.562 INCHES IN
Connection StyleBEADED HOSE SECOND END
Thread Series DesignatorUNF FIRST END
Connection StyleINVERTED FLARE (TUBE) FIRST END
Surface TreatmentCADMIUM OUTSIDE
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Seat Angle45.0 DEGREES FIRST END
Nominal Inside Diameter Hose Accommodated0.656 INCHES SECOND END IN
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6625-00-103-63162027-3 INTERCHANGEABLE
Tuner,radio Frequency
Drs Signal Solutions, Inc.
5915-00-234-4286 INTERCHANGEABLE
Filter,radio Frequency Interfere
5940-00-617-691110-301-3-01 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
6220-00-725-689320273 INTERCHANGEABLE
Spotlight
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5120-00-871-5882AWM-51771 INTERCHANGEABLE
Wire Unwrapping Tool
A.w. Mack Manufacturing Co., Inc.
5360-00-872-5060 INTERCHANGEABLE
Spring
4820-01-064-78612027303E0215 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
3040-01-158-96862027-3 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5962-01-169-6658 INTERCHANGEABLE
Microcircuit,digital
2520-01-210-282020273 INTERCHANGEABLE
Clutch,sliding Sleeve,vehicular
Twg Canada Consolidated Inc
Cross-Reference Index
Part NumberManufacturer
20273 Teledyne Industries Inc Teledyne Power Systems Div (USA)
Related Parts
6625-00-103-6316INTERCHANGEABLE
TUNER,RADIO FREQUENCY
2027-3
5915-00-234-4286INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5940-00-617-6911INTERCHANGEABLE
TERMINAL,STUD
10-301-3-01
6220-00-725-6893INTERCHANGEABLE
SPOTLIGHT
20273
5120-00-871-5882INTERCHANGEABLE
WIRE UNWRAPPING TOOL
AWM-51771
5360-00-872-5060INTERCHANGEABLE
SPRING
4820-01-064-7861INTERCHANGEABLE
VALVE,SAFETY RELIEF
2027303E0215
3040-01-158-9686INTERCHANGEABLE
CONNECTING LINK,RIGID
2027-3
5962-01-169-6658INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2520-01-210-2820INTERCHANGEABLE
CLUTCH,SLIDING SLEEVE,VEHICULAR
20273

Frequently Asked Questions

What is NSN 4730-00-202-7453?

NSN 4730-00-202-7453 is a Adapter,straight,tube to Hose, manufactured by Teledyne Industries Inc Teledyne Power Systems Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-202-7453?

NSN 4730-00-202-7453 has 1 cross-referenced part number: 20273 (Teledyne Industries Inc Teledyne Power Systems Div).

What NSN replaces 4730-00-202-7453?

There are 10 known substitutes for 4730-00-202-7453: 6625-00-103-6316, 5915-00-234-4286, 5940-00-617-6911 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20273?

Key specifications for 20273: Nominal Thread Size: 0.750 INCHES FIRST END IN; Thread Series Designator: UNF FIRST END; Seat Angle: 45.0 DEGREES FIRST END; Surface Treatment: CADMIUM OUTSIDE. 21 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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