PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13521Tube Assembly,metal

Triumph Engine Control Systems Llc · NSN 4710-00-037-7853 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-037-7853 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-037-7853. Primary manufacturer part number: 13521.
Features
  • Tube Assembly,metal — FSC 4710
  • Nominal Thread Size: 0.438 INCHES SINGLE END IN
  • Design Form: PREBENT
  • Material: STEEL CORROSION RESISTING SINGLE END
  • Mating End Quantity: 2 SINGLE END
  • Tube Outside Diameter: 0.250 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING TUBING
  • End Connection Style: SWIVEL NUT, FLARE SINGLE END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Single End construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-037-7853, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 11 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-037-7853
Primary Part Number13521
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Nominal Thread Size0.438 INCHES SINGLE END IN
Design FormPREBENT
MaterialSTEEL CORROSION RESISTING SINGLE END
Mating End Quantity2 SINGLE END
Tube Outside Diameter0.250 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING TUBING
End Connection StyleSWIVEL NUT, FLARE SINGLE END
Thread Series DesignatorUNF SINGLE END
Thread Class3A SINGLE END A
Thread Pitch Diameters+0.405 TO 0.408 INCHES SINGLE END IN
Wall Thickness0.030 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6240-00-538-141613521 INTERCHANGEABLE
Lamp,incandescent
Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company
5935-00-810-19241352-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
3030-00-936-717315520 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
5342-01-083-217213521 INTERCHANGEABLE
Extended Valve
Provision, Inc. Dba Provision Inc
5310-01-161-612113521 INTERCHANGEABLE
Washer,flat
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6610-01-191-96731352-1 INTERCHANGEABLE
Rate Screw Assy
Aerosonic Llc
3110-01-226-7588 INTERCHANGEABLE
Bearing,snap Ring
5310-01-333-275713521 INTERCHANGEABLE
Washer,flat
Stanadyne Corporation Dba Stanadyne Diesel Systems
5945-01-397-2744 INTERCHANGEABLE
Solenoid Assembly
Cross-Reference Index
Part NumberManufacturer
13521 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
6240-00-538-1416INTERCHANGEABLE
LAMP,INCANDESCENT
13521
5935-00-810-1924INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1352-1
3030-00-936-7173INTERCHANGEABLE
BELT,V
15520
5342-01-083-2172INTERCHANGEABLE
EXTENDED VALVE
13521
5310-01-161-6121INTERCHANGEABLE
WASHER,FLAT
13521
6610-01-191-9673INTERCHANGEABLE
RATE SCREW ASSY
1352-1
3110-01-226-7588INTERCHANGEABLE
BEARING,SNAP RING
5310-01-333-2757INTERCHANGEABLE
WASHER,FLAT
13521
5945-01-397-2744INTERCHANGEABLE
SOLENOID ASSEMBLY

Frequently Asked Questions

What is NSN 4710-00-037-7853?

NSN 4710-00-037-7853 is a Tube Assembly,metal, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-037-7853?

NSN 4710-00-037-7853 has 1 cross-referenced part number: 13521 (Triumph Engine Control Systems Llc).

What NSN replaces 4710-00-037-7853?

There are 9 known substitutes for 4710-00-037-7853: 6240-00-538-1416, 5935-00-810-1924, 3030-00-936-7173 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13521?

Key specifications for 13521: Nominal Thread Size: 0.438 INCHES SINGLE END IN; Design Form: PREBENT; Material: STEEL CORROSION RESISTING SINGLE END; Overall Length: 5.030 INCHES NOMINAL IN. 12 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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