PartsTable
Technical Data Sheet
K2522 ✓ 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: 0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, material: STEEL OVERALL, point_type: EXTENDED PRONG SQUARE CUT, style_designator: STANDARD, underloop_length: 2.625 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-059-0201, 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
K2522
NSN: 5315-00-059-0201
FSC: 5315
CAGE: 3D6E9 — MERITOR INDUSTRIAL PRODUCTS, LLC (USA)
SPECIFICATIONS
diameter0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
materialSTEEL OVERALL
point_typeEXTENDED PRONG SQUARE CUT
style_designatorSTANDARD
underloop_length2.625 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE 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
NSN5315-00-059-0201
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: K2522 · 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
MATERIAL: STEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
UNDERLOOP LENGTH: 2.625 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR: STANDARD
POINT TYPE: EXTENDED PRONG SQUARE CUT
DIAMETER: 0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
UNDERLOOP LENGTH2.625 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSTANDARD
POINT TYPEEXTENDED PRONG SQUARE CUT
DIAMETER0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
8403-1Interchangeable
interchangeable cross-reference
interchangeable
179089Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
MS35239-163Interchangeable
interchangeable cross-reference
interchangeable
415Interchangeable
interchangeable cross-reference
interchangeable
415 1 IN.Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K2522?
K2522 is a PIN,COTTER.
What parts can replace K2522?
There are 19 known substitutes for K2522: 8403-1, 179089, FFS92 and 16 more. Substitute compatibility should be verified for your specific system.
Is K2522 still available?
K2522 is currently cancelled.
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