PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

513321Tube Assembly,vent,fuel Heater

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 4710-00-931-5238 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-931-5238 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-931-5238. Primary manufacturer part number: 513321.
Features
  • Tube Assembly,vent,fuel Heater — FSC 4710
  • General Characteristics Item Description: APPROX 6.313 IN. MIN TO 6.353 IN. MAX O/A LG,OVAL FLANGE END W/2 MTG HOLES,INCLUDES FERRULE,TUBE FITTING,P/N 513252,SIZE 0.250 IN.,INVERTED NUT,TUBE COUPLING,P/N 513251,SIZE 0.500-20,ADAPTER,STRAIGHT TUBE AND BASE,P-N 513319,TUBE,P/N 513320,SIZE 0.250 W/2 HOLES W
  • 1 verified cross-reference
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tube Assembly,vent,fuel Heater, cataloged under National Stock Number 4710-00-931-5238, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-931-5238
Primary Part Number513321
Item NameTube Assembly,vent,fuel Heater
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
General Characteristics Item DescriptionAPPROX 6.313 IN. MIN TO 6.353 IN. MAX O/A LG,OVAL FLANGE END W/2 MTG HOLES,INCLUDES FERRULE,TUBE FITTING,P/N 513252,SIZE 0.250 IN.,INVERTED NUT,TUBE COUPLING,P/N 513251,SIZE 0.500-20,ADAPTER,STRAIGHT TUBE AND BASE,P-N 513319,TUBE,P/N 513320,SIZE 0.250 W/2 HOLES W
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-193-4435D20419-21 INTERCHANGEABLE
Retainer,electrical Connector
Itt Cannon Llc
3020-00-982-8727513321 INTERCHANGEABLE
Gear,spur
Honeywell International, Inc Div Aerospace-Tucson
Cross-Reference Index
Part NumberManufacturer
513321 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5935-00-193-4435INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
D20419-21
3020-00-982-8727INTERCHANGEABLE
GEAR,SPUR
513321

Frequently Asked Questions

What is NSN 4710-00-931-5238?

NSN 4710-00-931-5238 is a Tube Assembly,vent,fuel Heater, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-931-5238?

NSN 4710-00-931-5238 has 1 cross-referenced part number: 513321 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4710-00-931-5238?

There are 2 known substitutes for 4710-00-931-5238: 5935-00-193-4435, 3020-00-982-8727. Verify interchangeability with system specifications before substitution.

What are the specifications of 513321?

Key specifications for 513321: General Characteristics Item Description: APPROX 6.313 IN. MIN TO 6.353 IN. MAX O/A LG,OVAL FLANGE END W/2 MTG HOLES,INCLUDES FERRULE,TUBE FITTING,P/N 513252,SIZE 0.250 IN.,INVERTED NUT,TUBE COUPLING,P/N 513251,SIZE 0.500-20,ADAPTER,STRAIGHT TUBE AND BASE,P-N 513319,TUBE,P/N 513320,SIZE 0.250 W/2 HOLES W; End Item Identification: 29159312944. 2 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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