PartsTable
Technical Data Sheet
16A4025 ✓ 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: 1.125 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-849-9857, 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
16A4025
NSN: 5315-00-849-9857
FSC: 5315
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
diameter0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
materialSTEEL OVERALL
point_typeEXTENDED PRONG SQUARE CUT
style_designatorSTANDARD
underloop_length1.125 INCHES MINIMUM AND 1.375 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
NSN5315-00-849-9857
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 16A4025 · 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: STEEL OVERALL
POINT TYPE: EXTENDED PRONG SQUARE CUT
UNDERLOOP LENGTH: 1.125 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
DIAMETER: 0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
STYLE DESIGNATOR: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM E30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
POINT TYPEEXTENDED PRONG SQUARE CUT
UNDERLOOP LENGTH1.125 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
DIAMETER0.146 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
STYLE DESIGNATORSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
2974Interchangeable
interchangeable cross-reference
interchangeable
G9623P56Interchangeable
interchangeable cross-reference
interchangeable
70343-3Interchangeable
interchangeable cross-reference
interchangeable
543405Interchangeable
interchangeable cross-reference
interchangeable
103479-1Interchangeable
interchangeable cross-reference
interchangeable
103397 PIECE 7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16A4025?
16A4025 is a PIN,COTTER.
What parts can replace 16A4025?
There are 25 known substitutes for 16A4025: 2974, G9623P56, 70343-3 and 22 more. Substitute compatibility should be verified for your specific system.
Is 16A4025 still available?
16A4025 is currently cancelled.
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