PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0308144Reducer,tube

Caterpillar Inc Div Caterpillar Defense · NSN 4730-01-063-0744 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-063-0744 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-063-0744. Primary manufacturer part number: 0308144.
Features
  • Reducer,tube — FSC 4730
  • Connection Style: FLARED (TUBE) SECOND END
  • Connection Type: THREADED EXTERNAL TUBE SECOND END
  • Nominal Thread Size: 0.562 INCHES SECOND END IN
  • Nominal Overall Length: 25.4 MILLIMETERS MM
  • Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Thread Series Designator: UNF SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-063-0744, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-063-0744
Primary Part Number0308144
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Connection StyleFLARED (TUBE) SECOND END
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Nominal Thread Size0.562 INCHES SECOND END IN
Nominal Overall Length25.4 MILLIMETERS MM
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Thread Series DesignatorUNF SECOND END
Seat Angle37.0 DEGREES ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1005-00-550-40365504036 INTERCHANGEABLE
Brush,cleaning,small Arms
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5306-00-576-1632308144 INTERCHANGEABLE
Bolt,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3455-01-107-9652308-148 INTERCHANGEABLE
Blade,band Saw,metal Cutting
Doall Baltimore Company
Cross-Reference Index
Part NumberManufacturer
308144 Caterpillar Inc Div Caterpillar Defense (USA)
0308144 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
1005-00-550-4036INTERCHANGEABLE
BRUSH,CLEANING,SMALL ARMS
5504036
5306-00-576-1632INTERCHANGEABLE
BOLT,MACHINE
308144
3455-01-107-9652INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
308-148

Frequently Asked Questions

What is NSN 4730-01-063-0744?

NSN 4730-01-063-0744 is a Reducer,tube, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-063-0744?

NSN 4730-01-063-0744 has 2 cross-referenced part numbers: 308144 (Caterpillar Inc Div Caterpillar Defense), 0308144 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 4730-01-063-0744?

There are 3 known substitutes for 4730-01-063-0744: 1005-00-550-4036, 5306-00-576-1632, 3455-01-107-9652. Verify interchangeability with system specifications before substitution.

What are the specifications of 0308144?

Key specifications for 0308144: Connection Style: FLARED (TUBE) SECOND END; Connection Type: THREADED EXTERNAL TUBE SECOND END; Nominal Thread Size: 0.562 INCHES SECOND END IN; Nominal Overall Length: 25.4 MILLIMETERS MM. 8 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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