PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

623014-1Reducer,tube

Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto · NSN 4730-00-006-7903 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-006-7903 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-006-7903. Primary manufacturer part number: 623014-1.
Features
  • Reducer,tube — FSC 4730
  • Surface Treatment: ANODIZE OUTSIDE
  • Surface Treatment Document and Classification: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
  • Connection Style: FLARED (TUBE) FIRST END
  • Reducer Type: CONCENTRIC
  • Thread Class: 3A SECOND END A
  • Thread Series Designator: UNF SECOND END
  • Connection Style: FLARED (TUBE) SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-006-7903, 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 Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto. Government technical data includes 19 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-006-7903
Primary Part Number623014-1
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHoneywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
StatusACTIVE
Surface TreatmentANODIZE OUTSIDE
Surface Treatment Document and ClassificationMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
Connection StyleFLARED (TUBE) FIRST END
Reducer TypeCONCENTRIC
Thread Class3A SECOND END A
Thread Series DesignatorUNF SECOND END
Connection StyleFLARED (TUBE) SECOND END
Seat Angle37.0 DEGREES SECOND END
Nominal Thread Size0.375 INCHES SECOND END IN
MaterialALUMINUM ALLOY OVERALL
Nominal Thread Size0.438 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Thread Class3B FIRST END
Surface TreatmentANODIZE INSIDE
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
Seat Angle37.0 DEGREES FIRST END
Nominal Outside Diameter Tube Accommodated0.188 INCHES SECOND END IN
Nominal Overall Length1.297 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-073-4816D3L1NN INTERCHANGEABLE
Valve,linear,directional Control
Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters
5331-00-579-68612-236N304-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-825-143073553-60X5PC14 INTERCHANGEABLE
O-Ring
Electric Boat Corporation Div General Dynamics Electric Boat
5355-01-369-7030623014 INTERCHANGEABLE
Knob
Eastman Kodak Co
5445-01-724-8770623014-1 INTERCHANGEABLE
Tower Support Group
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
Cross-Reference Index
Part NumberManufacturer
623014 Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN)
623014-1 PRIMARY Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN)
Related Parts
4820-00-073-4816INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
D3L1NN
5331-00-579-6861INTERCHANGEABLE
O-RING
2-236N304-75
5331-00-825-1430INTERCHANGEABLE
O-RING
73553-60X5PC14
5355-01-369-7030INTERCHANGEABLE
KNOB
623014
5445-01-724-8770INTERCHANGEABLE
TOWER SUPPORT GROUP
623014-1

Frequently Asked Questions

What is NSN 4730-00-006-7903?

NSN 4730-00-006-7903 is a Reducer,tube, manufactured by Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-006-7903?

NSN 4730-00-006-7903 has 2 cross-referenced part numbers: 623014 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto), 623014-1 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto).

What NSN replaces 4730-00-006-7903?

There are 5 known substitutes for 4730-00-006-7903: 4820-00-073-4816, 5331-00-579-6861, 5331-00-825-1430 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 623014-1?

Key specifications for 623014-1: Surface Treatment: ANODIZE OUTSIDE; Surface Treatment Document and Classification: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE; Connection Style: FLARED (TUBE) FIRST END; Reducer Type: CONCENTRIC. 19 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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