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PartsTable / COMPONENT / 25532R1
25532R1 ✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-274-5632, 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
25532R1
NSN: 5310-01-274-5632
FSC: 5310
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (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
NSN5310-01-274-5632
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 25532R1 · 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
•
THICKNESS: 0.065 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THICKNESS0.065 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, .281 X .625 X .065 PHC
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.281 INCHES NOMINAL IN
OVERALL DIAMETER0.625 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
END ITEM IDENTIFICATIONMRAP MAXXPRO
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
73019Interchangeable
interchangeable cross-reference
interchangeable
2387006Interchangeable
interchangeable cross-reference
interchangeable
10945257Interchangeable
interchangeable cross-reference
interchangeable
25709R1Interchangeable
interchangeable cross-reference
interchangeable
ESP-F-16.104-PPInterchangeable
interchangeable cross-reference
interchangeable
120396Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25532R1?
25532R1 is a WASHER,FLAT.
What parts can replace 25532R1?
There are 20 known substitutes for 25532R1: 73019, 2387006, 10945257 and 17 more. Substitute compatibility should be verified for your specific system.
Is 25532R1 still available?
25532R1 is currently cancelled.
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Last verified: July 2026