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Technical Data Sheet
PartsTable / COMPONENT / 805-1648659 PC. NO. 18
805-1648659 PC. NO. 18 ✓ 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 805-1648659 PC. NO. 18 is a the manufacturer industrial component.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-088-4075, 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
805-1648659 PC. NO. 18
NSN: 5310-00-088-4075
FSC: 5310
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number805-1648659 PC. NO. 18
NSN5310-00-088-4075
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 805-1648659 PC. NO. 18 · 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
•
OUTSIDE DIAMETER: 0.216 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
SPECIFICATION/STANDARD DATA: 80205-NAS1676 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.216 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL
SPECIFICATION/STANDARD DATA80205-NAS1676 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL THICKNESS0.030 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
L-6493-1Interchangeable
interchangeable cross-reference
interchangeable
MS35338-41Interchangeable
interchangeable cross-reference
interchangeable
AN935C6Interchangeable
interchangeable cross-reference
interchangeable
6HCL0CKWASHERInterchangeable
interchangeable cross-reference
interchangeable
9B1117Interchangeable
interchangeable cross-reference
interchangeable
SIZE6L0CKWASHERInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 805-1648659 PC. NO. 18?
805-1648659 PC. NO. 18 is a 805-1648659 PC. NO. 18.
What parts can replace 805-1648659 PC. NO. 18?
There are 8 known substitutes for 805-1648659 PC. NO. 18: L-6493-1, MS35338-41, AN935C6 and 5 more. Substitute compatibility should be verified for your specific system.
Is 805-1648659 PC. NO. 18 still available?
805-1648659 PC. NO. 18 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