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Technical Data Sheet
PartsTable / COMPONENT / 12569613-5
12569613-5 ✓ 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: UNABLE TO DECODE, thickness: 0.127 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN, hole_diameter: 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN, overall_diameter: 0.99 INCHES MINIMUM AND 1.01 INCHES MAXIMUM IN, surface_treatment: ZINC OVERALL, 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 5310-01-731-2906, 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
12569613-5
NSN: 5310-01-731-2906
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
thickness0.127 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
hole_diameter0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
overall_diameter0.99 INCHES MINIMUM AND 1.01 INCHES MAXIMUM IN
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identification2350-016195649
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationUNABLE TO DECODE
part_name_assigned_by_controlling_agencyWASHER,FLAT
surface_treatment_document_and_classificationUNABLE TO DECODE
NSN5310-01-731-2906
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12569613-5 · 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: ZINC OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: UNABLE TO DECODE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
PERIPHERAL SHAPE STYLEROUND
MATERIALUNABLE TO DECODE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
END ITEM IDENTIFICATION2350-016195649
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.99 INCHES MINIMUM AND 1.01 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
10390325Interchangeable
interchangeable cross-reference
interchangeable
10910174-19Interchangeable
interchangeable cross-reference
interchangeable
12387327Interchangeable
interchangeable cross-reference
interchangeable
5310013790804Interchangeable
interchangeable cross-reference
interchangeable
12569613-1Interchangeable
interchangeable cross-reference
interchangeable
12569613Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12569613-5?
12569613-5 is a WASHER,FLAT.
What parts can replace 12569613-5?
There are 15 known substitutes for 12569613-5: 10390325, 10910174-19, 12387327 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12569613-5?
12569613-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-731-2906. 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