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Technical Data Sheet
PartsTable / COMPONENT / 11X275
11X275 ✓ 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: 0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, material: STEEL OVERALL, point_type: EXTENDED PRONG SQUARE CUT, style_designator: STANDARD, underloop_length: 1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-234-1664, 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
11X275
NSN: 5315-00-234-1664
FSC: 5315
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
diameter0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
materialSTEEL OVERALL
point_typeEXTENDED PRONG SQUARE CUT
style_designatorSTANDARD
underloop_length1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
material_document_and_classificationASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-234-1664
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11X275 · 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
•
POINT TYPE: EXTENDED PRONG SQUARE CUT
•
DIAMETER: 0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
UNDERLOOP LENGTH: 1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
STYLE DESIGNATOR: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
POINT TYPEEXTENDED PRONG SQUARE CUT
DIAMETER0.172 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
UNDERLOOP LENGTH1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
9X140 1-4Interchangeable
interchangeable cross-reference
interchangeable
FFP386TYPEBInterchangeable
interchangeable cross-reference
interchangeable
42-6880-300-170Interchangeable
interchangeable cross-reference
interchangeable
48009Interchangeable
interchangeable cross-reference
interchangeable
9X110 3-16Interchangeable
interchangeable cross-reference
interchangeable
MS24665-561Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11X275?
11X275 is a PIN,COTTER.
What parts can replace 11X275?
There are 30 known substitutes for 11X275: 9X140 1-4, FFP386TYPEB, 42-6880-300-170 and 27 more. Substitute compatibility should be verified for your specific system.
Is 11X275 still available?
11X275 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