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Technical Data Sheet
PartsTable / COMPONENT / 9156818-3
9156818-3 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, hole_diameter: 0.102 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN, outside_diameter: 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.012 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-835-5477, 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
9156818-3
NSN: 5310-00-835-5477
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
hole_diameter0.102 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
outside_diameter0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentPASSIVATE OVERALL
material_thickness0.012 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-835-5477
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9156818-3 · 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
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
MATERIAL: STEEL COMP 410 OVERALL
•
HOLE DIAMETER: 0.102 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL THICKNESS: 0.012 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIALSTEEL COMP 410 OVERALL
HOLE DIAMETER0.102 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL THICKNESS0.012 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
10-03542Interchangeable
interchangeable cross-reference
interchangeable
S3542Interchangeable
interchangeable cross-reference
interchangeable
1703-00-410Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9156818-3?
9156818-3 is a WASHER,LOCK.
What parts can replace 9156818-3?
There are 3 known substitutes for 9156818-3: 10-03542, S3542, 1703-00-410. Substitute compatibility should be verified for your specific system.
Is 9156818-3 still available?
9156818-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026