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PartsTable / COMPONENT / 77-35290 ITEM 6
77-35290 ITEM 6 ✓ 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: 1.6 MILLIMETERS NOMINAL MM, hole_diameter: 8.4 MILLIMETERS NOMINAL MM, overall_diameter: 16.0 MILLIMETERS NOMINAL MM, special_features: C1006-C1015 STEEL W/HARDNESS OF ROCKWELL B49, surface_treatment: ZINC OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-509-6341, 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
77-35290 ITEM 6
NSN: 5310-01-509-6341
FSC: 5310
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness1.6 MILLIMETERS NOMINAL MM
hole_diameter8.4 MILLIMETERS NOMINAL MM
overall_diameter16.0 MILLIMETERS NOMINAL MM
special_featuresC1006-C1015 STEEL W/HARDNESS OF ROCKWELL B49
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationAIR INTAKE; MRAP - COUGAR; MRAP BUFFALO MK2A2
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-509-6341
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 77-35290 ITEM 6 · 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
•
SURFACE TREATMENT: ZINC OVERALL
•
HOLE DIAMETER: 8.4 MILLIMETERS NOMINAL MM
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 16.0 MILLIMETERS NOMINAL MM
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
END ITEM IDENTIFICATIONAIR INTAKE; MRAP - COUGAR; MRAP BUFFALO MK2A2
SURFACE TREATMENTZINC OVERALL
HOLE DIAMETER8.4 MILLIMETERS NOMINAL MM
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESC1006-C1015 STEEL W/HARDNESS OF ROCKWELL B49
OVERALL DIAMETER16.0 MILLIMETERS NOMINAL MM
CENTER HOLE SHAPE STYLEROUND
MATERIALSTEEL OVERALL
THICKNESS1.6 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
SAE-AMS-QQ-A-200/8Interchangeable
interchangeable cross-reference
interchangeable
8968Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/8Interchangeable
interchangeable cross-reference
interchangeable
7472340P6Interchangeable
interchangeable cross-reference
interchangeable
4180550-1Interchangeable
interchangeable cross-reference
interchangeable
599-48Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77-35290 ITEM 6?
77-35290 ITEM 6 is a WASHER,FLAT.
What parts can replace 77-35290 ITEM 6?
There are 8 known substitutes for 77-35290 ITEM 6: SAE-AMS-QQ-A-200/8, 8968, QQ-A-200/8 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77-35290 ITEM 6?
77-35290 ITEM 6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-509-6341. 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