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479138 — HOUSING,FUEL HEATER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

479138: HOUSING,FUEL HEATER.

The HOUSING,FUEL HEATER is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, fsc_application_data: FUEL SYSTEM,MAIN PROPULSION,ENGINE,AIRCRAFT, functional_description: INCREASE FUEL TEMPERATURE WITH ANTI-ICING SYSTEM AIR, end_item_identification: TF33-P-7A AIRCRAFT MAIN PROPULSION,AIRCRAFT ENGINE A, reference_data_and_literature: T.O.2J-TF33-14,FIGURE 51,I.8, part_name_assigned_by_controlling_agency: HOUSING-FUEL AI HEATER. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-199-1789, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
479138
NSN: 5310-00-199-1789
NIINs: 001991789, 009663041
FSC: 5310 — Nuts and Washers
CAGE: 72850 — PUROLATOR PRODUCTS CO DIV MOTOR COMPONENTS, LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
fsc_application_dataFUEL SYSTEM,MAIN PROPULSION,ENGINE,AIRCRAFT
functional_descriptionINCREASE FUEL TEMPERATURE WITH ANTI-ICING SYSTEM AIR
end_item_identificationTF33-P-7A AIRCRAFT MAIN PROPULSION,AIRCRAFT ENGINE A
reference_data_and_literatureT.O.2J-TF33-14,FIGURE 51,I.8
part_name_assigned_by_controlling_agencyHOUSING-FUEL AI HEATER
NSN5310-00-199-1789
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 479138 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL DIAMETER: 0.622 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.437 INCHES NOMINAL IN
•
THICKNESS: 0.032 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.622 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.437 INCHES NOMINAL IN
THICKNESS0.032 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
54531G1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
753 193Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 479138?
479138 is a HOUSING,FUEL HEATER.
What parts can replace 479138?
There are 2 known substitutes for 479138: 54531G1, 753 193. Substitute compatibility should be verified for your specific system.
What is the NSN for 479138?
479138 is cataloged in the U.S. Government catalog under NSN 5310-00-199-1789. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.