PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10644Reducer,tube

Triumph Controls, Llc Dba Triumph Controls, Llc · NSN 4730-00-574-6629 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-574-6629 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-574-6629. Primary manufacturer part number: 10644.
Features
  • Reducer,tube — FSC 4730
  • Material: ALUMINUM ALLOY OVERALL
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
  • Seat Nominal Radius: 0.062 INCHES SECOND END IN
  • Nominal Outside Diameter Tube Accommodated: 0.312 INCHES SECOND END IN
  • Reducer Type: CONCENTRIC
  • Thread Series Designator: UNF ALL ENDS
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
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 4730-00-574-6629, 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 Controls, Llc Dba Triumph Controls, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-574-6629
Primary Part Number10644
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTriumph Controls, Llc Dba Triumph Controls, Llc
StatusACTIVE
MaterialALUMINUM ALLOY OVERALL
Nominal Thread Size0.500 INCHES SECOND END IN
Seat Nominal Radius0.062 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.312 INCHES SECOND END IN
Reducer TypeCONCENTRIC
Thread Series DesignatorUNF ALL ENDS
Nominal Thread Size0.438 INCHES FIRST END IN
Thread Class2A ALL ENDS A
Connection TypeTHREADED EXTERNAL BOSS FIRST END
Connection StyleCOMPRESSION (TUBE) SECOND END
Nominal Overall Length1.000 INCHES IN
Surface TreatmentANODIZE OUTSIDE
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2520-00-025-653610644 INTERCHANGEABLE
Facing Kit,clutch
Sachs-Boge of America
5996-00-420-409410644 INTERCHANGEABLE
Amplifier,direct Current
Weigh-Tronix Inc
5905-00-434-1863 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
1005-00-621-818810644 INTERCHANGEABLE
Chute Section Assy
Nobles Worldwide, Inc.
8145-00-710-849010644 INTERCHANGEABLE
Shipping and Storag
Naval Inventory Control Point
5340-00-832-9904102644 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cadillac Gage Textron Inc.
4730-00-924-5497 INTERCHANGEABLE
Nipple,pipe
5950-00-944-4772995559-10 INTERCHANGEABLE
Transformer,radio Frequency
Raytheon Company Div Rmd Strategic
6680-01-096-599325810 INTERCHANGEABLE
Gage Fuel Tank
Jetstream of Houston, Llp Dba Jetstream of Houston Llp
5310-01-159-5002 INTERCHANGEABLE
Nut
Cross-Reference Index
Part NumberManufacturer
708B590P1 General Electric Company (USA)
10644 PRIMARY Triumph Controls, Llc Dba Triumph Controls, Llc (USA)
708B590P1 PRIMARY General Electric Company (USA)
B10644 Triumph Controls, Llc Dba Triumph Controls, Llc (USA)
Related Parts
2520-00-025-6536INTERCHANGEABLE
FACING KIT,CLUTCH
10644
5996-00-420-4094INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
10644
5905-00-434-1863INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
1005-00-621-8188INTERCHANGEABLE
CHUTE SECTION ASSY
10644
8145-00-710-8490INTERCHANGEABLE
SHIPPING AND STORAG
10644
5340-00-832-9904INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
102644
4730-00-924-5497INTERCHANGEABLE
NIPPLE,PIPE
5950-00-944-4772INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
995559-10
6680-01-096-5993INTERCHANGEABLE
GAGE FUEL TANK
25810
5310-01-159-5002INTERCHANGEABLE
NUT
6510-01-274-9449INTERCHANGEABLE
SPONGE,SURGICAL
4730-01-369-3664INTERCHANGEABLE
TEE,PIPE

Frequently Asked Questions

What is NSN 4730-00-574-6629?

NSN 4730-00-574-6629 is a Reducer,tube, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-574-6629?

NSN 4730-00-574-6629 has 4 cross-referenced part numbers: 708B590P1 (General Electric Company), 10644 (Triumph Controls, Llc Dba Triumph Controls, Llc), 708B590P1 (General Electric Company), B10644 (Triumph Controls, Llc Dba Triumph Controls, Llc).

What NSN replaces 4730-00-574-6629?

There are 12 known substitutes for 4730-00-574-6629: 2520-00-025-6536, 5996-00-420-4094, 5905-00-434-1863 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10644?

Key specifications for 10644: Material: ALUMINUM ALLOY OVERALL; Nominal Thread Size: 0.500 INCHES SECOND END IN; Seat Nominal Radius: 0.062 INCHES SECOND END IN; Nominal Outside Diameter Tube Accommodated: 0.312 INCHES SECOND END IN. 15 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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