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M3815PC11 ✓ 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 COMP 316 OVERALL, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, end_item_identification: VALVE BALL 2-WAY, 1000 .75 NPS SW, TI, cross-sectional_shape_style: RECTANGULAR, material_document_and_classification: ASTM A278 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE 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 5310-01-605-7731, 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
M3815PC11
NSN: 5310-01-605-7731
FSC: 5310
CAGE: 62144 — PARKER HANNIFIN CORPORATION DIV VILLAGE MARINE TECH (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationVALVE BALL 2-WAY, 1000 .75 NPS SW, TI
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM A278 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyWASHER, PIN LOCKING, 1.00 NPS
NSN5310-01-605-7731
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M3815PC11 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A278 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A278 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
END ITEM IDENTIFICATIONVALVE BALL 2-WAY, 1000 .75 NPS SW, TI
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, PIN LOCKING, 1.00 NPS
MATERIALSTEEL COMP 316 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
100107Interchangeable
interchangeable cross-reference
interchangeable
G568791Interchangeable
interchangeable cross-reference
interchangeable
A68-112Interchangeable
interchangeable cross-reference
interchangeable
X12Interchangeable
interchangeable cross-reference
interchangeable
300157Interchangeable
interchangeable cross-reference
interchangeable
09415Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M3815PC11?
M3815PC11 is a WASHER,FLAT.
What parts can replace M3815PC11?
There are 9 known substitutes for M3815PC11: 100107, G568791, A68-112 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M3815PC11?
M3815PC11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-605-7731. 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