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PartsTable / COMPONENT / MS24665-180
MS24665-180 ✓ 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 PIN,COTTER is a the manufacturer industrial component. Key specifications include diameter: 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, material: COPPER ALLOY 260 OVERALL, point_type: EXTENDED PRONG SQUARE CUT, style_designator: STANDARD, underloop_length: 1.625 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN, surface_treatment: OXIDE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-221-3698, 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
MS24665-180
NSN: 5315-00-221-3698
FSC: 5315
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
materialCOPPER ALLOY 260 OVERALL
point_typeEXTENDED PRONG SQUARE CUT
style_designatorSTANDARD
underloop_length1.625 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
surface_treatmentOXIDE OVERALL
material_document_and_classificationASTM B134 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-221-3698
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS24665-180 · 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
•
UNDERLOOP LENGTH: 1.625 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
•
DIAMETER: 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
POINT TYPE: EXTENDED PRONG SQUARE CUT
•
STYLE DESIGNATOR: STANDARD
•
SURFACE TREATMENT: OXIDE OVERALL
•
MATERIAL: COPPER ALLOY 260 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B134 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
UNDERLOOP LENGTH1.625 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
DIAMETER0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
POINT TYPEEXTENDED PRONG SQUARE CUT
STYLE DESIGNATORSTANDARD
SURFACE TREATMENTOXIDE OVERALL
MATERIALCOPPER ALLOY 260 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B134 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MS24665-181Interchangeable
interchangeable cross-reference
interchangeable
FFP386BTYPEAInterchangeable
interchangeable cross-reference
interchangeable
FFP386BANDTYPEAInterchangeable
interchangeable cross-reference
interchangeable
NASM24665Interchangeable
interchangeable cross-reference
interchangeable
MS24665-325Interchangeable
interchangeable cross-reference
interchangeable
5315PL1390659Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS24665-180?
MS24665-180 is a PIN,COTTER.
What parts can replace MS24665-180?
There are 7 known substitutes for MS24665-180: MS24665-181, FFP386BTYPEA, FFP386BANDTYPEA and 4 more. Substitute compatibility should be verified for your specific system.
Is MS24665-180 still available?
MS24665-180 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