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Technical Data Sheet
PartsTable / COMPONENT / 711662809600
711662809600 ✓ 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 1213 OVERALL, thickness: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, hole_diameter: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, overall_diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE 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 5310-00-800-3218, 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
711662809600
NSN: 5310-00-800-3218
FSC: 5310
CAGE: 0000V — NCB HUNGARY (HONVEDSEGI EGYSEGES TERMEKKOD) (HUN)
SPECIFICATIONS
materialSTEEL COMP 1213 OVERALL
thickness0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
hole_diameter0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
overall_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-800-3218
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 711662809600 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1213 OVERALL
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
HOLE DIAMETER: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1213 OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
HOLE DIAMETER0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
OVERALL DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A10561Interchangeable
interchangeable cross-reference
interchangeable
A20164Interchangeable
interchangeable cross-reference
interchangeable
75F5036Interchangeable
interchangeable cross-reference
interchangeable
5310008003218Interchangeable
Same NIIN cross-reference
interchangeable
60340Interchangeable
Same NIIN cross-reference
interchangeable
5310PL0918187Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 711662809600?
711662809600 is a WASHER,FLAT.
What parts can replace 711662809600?
There are 6 known substitutes for 711662809600: A10561, A20164, 75F5036 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 711662809600?
711662809600 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-800-3218. 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