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Technical Data Sheet
PartsTable / COMPONENT / MS16562-121
MS16562-121 ✓ 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,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, overall_length: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, shear_strength: 1000 DOUBLE POUND, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL, special_features: FURNISHED WITH A BLACK,TUMBLED,OIL DIPPED FINISH, style_designator: SLOTTED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-840-3812, 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
MS16562-121
NSN: 5315-00-840-3812
FSC: 5315
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
materialSTEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL
overall_length0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
shear_strength1000 DOUBLE POUND
hardness_rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
special_featuresFURNISHED WITH A BLACK,TUMBLED,OIL DIPPED FINISH
style_designatorSLOTTED
surface_treatmentPHOSPHATE ZINC OVERALL
material_thickness0.022 INCHES NOMINAL IN
specification/standard_data80205-NAS561 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationDOD-P-16232,CL2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-840-3812
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS16562-121 · 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 COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL
•
SURFACE TREATMENT: PHOSPHATE ZINC OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
DIAMETER: 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.022 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: DOD-P-16232 CL2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
STYLE DESIGNATORSLOTTED
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
DIAMETER0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDOD-P-16232 CL2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL LENGTH0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
95-126Interchangeable
interchangeable cross-reference
interchangeable
AC12526Interchangeable
interchangeable cross-reference
interchangeable
MS16562-121Interchangeable
interchangeable cross-reference
interchangeable
5315PL0899610Interchangeable
interchangeable cross-reference
interchangeable
5315-01-027-4759Interchangeable
interchangeable cross-reference
interchangeable
2606018Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16562-121?
MS16562-121 is a PIN,SPRING.
What parts can replace MS16562-121?
There are 14 known substitutes for MS16562-121: 95-126, AC12526, MS16562-121 and 11 more. Substitute compatibility should be verified for your specific system.
Is MS16562-121 still available?
MS16562-121 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