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PartsTable / COMPONENT / 5445F
5445F ✓ 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: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.234 INCHES NOMINAL IN, overall_diameter: 0.375 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 5310-00-262-4790, 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
5445F
NSN: 5310-00-262-4790
FSC: 5310
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.234 INCHES NOMINAL IN
overall_diameter0.375 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-262-4790
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5445F · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL
•
THICKNESS: 0.031 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.234 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
OVERALL DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
THICKNESS0.031 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.234 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL DIAMETER0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
BL107804Interchangeable
interchangeable cross-reference
interchangeable
368-4505-2Interchangeable
interchangeable cross-reference
interchangeable
BL107804ISSUE1Interchangeable
interchangeable cross-reference
interchangeable
1097YInterchangeable
interchangeable cross-reference
interchangeable
3198Interchangeable
interchangeable cross-reference
interchangeable
3913DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5445F?
5445F is a WASHER,FLAT.
What parts can replace 5445F?
There are 20 known substitutes for 5445F: BL107804, 368-4505-2, BL107804ISSUE1 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5445F?
5445F is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-262-4790. 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