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10552671 ✓ 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: 0.020 INCHES NOMINAL IN, hole_diameter: 0.253 INCHES NOMINAL IN, overall_diameter: 0.373 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 5310-00-120-0439, 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
10552671
NSN: 5310-00-120-0439
FSC: 5310
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.020 INCHES NOMINAL IN
hole_diameter0.253 INCHES NOMINAL IN
overall_diameter0.373 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationCOMPUTER GUN DIRECTION,M18
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-120-0439
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10552671 · 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
•
HOLE DIAMETER: 0.253 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
THICKNESS: 0.020 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.373 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.253 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
THICKNESS0.020 INCHES NOMINAL IN
END ITEM IDENTIFICATIONCOMPUTER GUN DIRECTION,M18
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.373 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
B35Interchangeable
interchangeable cross-reference
interchangeable
DA8PCB351Interchangeable
interchangeable cross-reference
interchangeable
898410Interchangeable
interchangeable cross-reference
interchangeable
5302-0500Interchangeable
interchangeable cross-reference
interchangeable
E16-2Interchangeable
interchangeable cross-reference
interchangeable
ABDAM23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10552671?
10552671 is a WASHER,FLAT.
What parts can replace 10552671?
There are 14 known substitutes for 10552671: B35, DA8PCB351, 898410 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10552671?
10552671 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-120-0439. 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