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335378 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, temp_rating: 1050.0 FAHRENHEIT1050.0 FAHRENHEIT DEGF, outside_diameter: 3.844 INCHES NOMINAL3.844 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.938 INCHES NOMINAL2.938 INCHES NOMINAL IN, gage_ring_thickness: 0.117 INCHES MINIMUM AND 0.117 INCHES MINIMUM AND 0.131 INCHES MAXIMUM0.131 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-226-8042, 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
335378
NSN: 5310-00-226-8042
FSC: 5310
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
temp_rating1050.0 FAHRENHEIT1050.0 FAHRENHEIT DEGF
outside_diameter3.844 INCHES NOMINAL3.844 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.938 INCHES NOMINAL2.938 INCHES NOMINAL IN
gage_ring_thickness0.117 INCHES MINIMUM AND 0.117 INCHES MINIMUM AND 0.131 INCHES MAXIMUM0.131 INCHES MAXIMUM IN
bearing_surface_width0.453 INCHES NOMINAL0.453 INCHES NOMINAL IN
maximum_pressure_rating600.0 POUNDS PER SQUARE INCH (PSI)600.0 POUNDS PER SQUARE INCH (PSI) LBS
cross-sectional_thickness0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM0.180 INCHES MAXIMUM IN
gage_ring_outside_diameter5.125 INCHES NOMINAL5.125 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING
nondefinitive_spec/std_data2 TYPE AND A CLASS AND IPS21/2 SIZE AND 600 SERIES
NSN5310-00-226-8042
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 335378 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
10269Interchangeable
interchangeable cross-reference
interchangeable
10269-1Interchangeable
interchangeable cross-reference
interchangeable
10-44Interchangeable
interchangeable cross-reference
interchangeable
353274Interchangeable
interchangeable cross-reference
interchangeable
522708Interchangeable
interchangeable cross-reference
interchangeable
MILR26Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 335378?
335378 is a GASKET,SPIRAL WOUND.
What parts can replace 335378?
There are 20 known substitutes for 335378: 10269, 10269-1, 10-44 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 335378?
335378 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-226-8042. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026