PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104427Reducer,tube

Triumph Thermal Systems - Maryland, Inc. · NSN 4730-00-969-5997 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-969-5997 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-969-5997. Primary manufacturer part number: 104427.
Features
  • Reducer,tube — FSC 4730
  • Thread Class: 3A SECOND END A
  • Reducer Type: CONCENTRIC
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
  • Seat Angle: 45.0 DEGREES FIRST END
  • Nominal Overall Length: 0.628 INCHES IN
  • Connection Style: FLARED (TUBE) SECOND END
  • Material: ALUMINUM ALLOY OVERALL
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 4730-00-969-5997, 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 Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 17 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-969-5997
Primary Part Number104427
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Thread Class3A SECOND END A
Reducer TypeCONCENTRIC
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
Seat Angle45.0 DEGREES FIRST END
Nominal Overall Length0.628 INCHES IN
Connection StyleFLARED (TUBE) SECOND END
MaterialALUMINUM ALLOY OVERALL
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Nominal Thread Size0.562 INCHES FIRST END IN
Seat Angle37.0 DEGREES SECOND END
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Nominal Thread Size0.375 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.187 INCHES SECOND END IN
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
Thread Class3A FIRST END A
Connection StyleFLARED (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3825-00-100-4012104427 INTERCHANGEABLE
Parts Kit,blower
Allianz Sweeper Company
5950-00-905-1032T2427 INTERCHANGEABLE
Transformer,power
Magnetika Inc Div Magnetika/phillipsburg Location
5305-01-574-6608104427 INTERCHANGEABLE
Screw,tapping
Spx Corporation Dba O T C Tool & Equip Division Div Spx Corp - Kent-Moore/otc Divisons
Cross-Reference Index
Part NumberManufacturer
104427 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
3825-00-100-4012INTERCHANGEABLE
PARTS KIT,BLOWER
104427
5950-00-905-1032INTERCHANGEABLE
TRANSFORMER,POWER
T2427
5305-01-574-6608INTERCHANGEABLE
SCREW,TAPPING
104427

Frequently Asked Questions

What is NSN 4730-00-969-5997?

NSN 4730-00-969-5997 is a Reducer,tube, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-969-5997?

NSN 4730-00-969-5997 has 1 cross-referenced part number: 104427 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 4730-00-969-5997?

There are 3 known substitutes for 4730-00-969-5997: 3825-00-100-4012, 5950-00-905-1032, 5305-01-574-6608. Verify interchangeability with system specifications before substitution.

What are the specifications of 104427?

Key specifications for 104427: Thread Class: 3A SECOND END A; Reducer Type: CONCENTRIC; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END; Seat Angle: 45.0 DEGREES FIRST END. 17 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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