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Technical Data Sheet
PartsTable / COMPONENT / 53039H
53039H ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: WOOL OVERALL, thickness: 0.188 INCHES NOMINAL IN, hole_diameter: 1.625 INCHES NOMINAL IN, overall_diameter: 3.000 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-265-1849, 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
53039H
NSN: 5310-00-265-1849
FSC: 5310
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
materialWOOL OVERALL
thickness0.188 INCHES NOMINAL IN
hole_diameter1.625 INCHES NOMINAL IN
overall_diameter3.000 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-265-1849
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 53039H · 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
•
MATERIAL: WOOL OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 3.000 INCHES NOMINAL IN
•
THICKNESS: 0.188 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALWOOL OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER3.000 INCHES NOMINAL IN
THICKNESS0.188 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER1.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
82-00-11Interchangeable
interchangeable cross-reference
interchangeable
LDM820011Interchangeable
interchangeable cross-reference
interchangeable
LAERDAL POCKET MASKInterchangeable
interchangeable cross-reference
interchangeable
HCS64184Interchangeable
interchangeable cross-reference
interchangeable
AE-5000Interchangeable
interchangeable cross-reference
interchangeable
73509Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 53039H?
53039H is a WASHER,FLAT.
What parts can replace 53039H?
There are 7 known substitutes for 53039H: 82-00-11, LDM820011, LAERDAL POCKET MASK and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 53039H?
53039H is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-265-1849. 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