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Technical Data Sheet
PartsTable / COMPONENT / 4033259028
4033259028 ✓ 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 OVERALL, thickness: 0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN, hole_diameter: 0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN, overall_diameter: 1.163 INCHES MINIMUM AND 1.186 INCHES MAXIMUM IN, special_features: FASTENER SHALL BE FREE OF HYDROGEN EMBRITTLEMENT, peripheral_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 5310-01-653-4288, 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
4033259028
NSN: 5310-01-653-4288
FSC: 5310
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
hole_diameter0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN
overall_diameter1.163 INCHES MINIMUM AND 1.186 INCHES MAXIMUM IN
special_featuresFASTENER SHALL BE FREE OF HYDROGEN EMBRITTLEMENT
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification4210016220440; MRAP - M-ATV
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM F436 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyWASH, FLT, INCH, MB, HDN, TAB
surface_treatment_document_and_classificationF-100 D60 TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-653-4288
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4033259028 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: F-100 D60 TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONF-100 D60 TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASH, FLT, INCH, MB, HDN, TAB
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
SPECIAL FEATURESFASTENER SHALL BE FREE OF HYDROGEN EMBRITTLEMENT
END ITEM IDENTIFICATION4210016220440; MRAP - M-ATV
OVERALL DIAMETER1.163 INCHES MINIMUM AND 1.186 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4000317Interchangeable
interchangeable cross-reference
interchangeable
4033259Interchangeable
interchangeable cross-reference
interchangeable
4033259004Interchangeable
interchangeable cross-reference
interchangeable
4033259007Interchangeable
interchangeable cross-reference
interchangeable
4000405Interchangeable
interchangeable cross-reference
interchangeable
4033259002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4033259028?
4033259028 is a WASHER,FLAT.
What parts can replace 4033259028?
There are 14 known substitutes for 4033259028: 4000317, 4033259, 4033259004 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4033259028?
4033259028 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-653-4288. 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