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27616R1 ✓ 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 thickness: 0.065 INCHES NOMINAL IN, hole_diameter: 0.281 INCHES NOMINAL IN, overall_diameter: 0.625 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, end_item_identification: MRAP MAXXPRO. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-205-5754, 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
27616R1
NSN: 5310-01-205-5754
FSC: 5310
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
thickness0.065 INCHES NOMINAL IN
hole_diameter0.281 INCHES NOMINAL IN
overall_diameter0.625 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationMRAP MAXXPRO
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyWASHER, .281 X .625 X .065 PHC
NSN5310-01-205-5754
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 27616R1 · 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 2
27616R1Interchangeable
interchangeable cross-reference
interchangeable
ESP-F-16.101-GSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27616R1?
27616R1 is a WASHER,FLAT.
What parts can replace 27616R1?
There are 2 known substitutes for 27616R1: 27616R1, ESP-F-16.101-GS. Substitute compatibility should be verified for your specific system.
What is the NSN for 27616R1?
27616R1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-205-5754. 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