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Technical Data Sheet
PartsTable / COMPONENT / MS16556-102
MS16556-102 ✓ 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,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shear_strength: 114000 DOUBLE POUND, surface_finish: 16.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: CHAMFERED, hardness_rating: 47.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL, second_end_style: RADIUS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-210-2960, 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
MS16556-102
NSN: 5315-01-210-2960
FSC: 5315
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
shear_strength114000 DOUBLE POUND
surface_finish16.0 MICROINCHES OUTSIDE DIAMETER
first_end_styleCHAMFERED
hardness_rating47.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL
second_end_styleRADIUS
special_featuresRADIUS END MAY BE CHAMFERED 25.0 DEG
features_providedCASEHARDENED
pin_overall_length2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
pin_overall_diameter0.7509 INCHES MINIMUM AND 0.7511 INCHES MAXIMUM IN
first_end_taper_angle4.0 DEGREES MINIMUM AND 16.0 DEGREES MAXIMUM
first_end_taper_length0.453 INCHES NOMINAL IN
NSN5315-01-210-2960
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS16556-102 · 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
•
SHEAR STRENGTH: 114000 DOUBLE POUND
•
FIRST END TAPER ANGLE: 4.0 DEGREES MINIMUM AND 16.0 DEGREES MAXIMUM
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
FIRST END TAPER LENGTH: 0.453 INCHES NOMINAL IN
•
SECOND END CORNER RADIUS: 0.094 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SHEAR STRENGTH114000 DOUBLE POUND
FIRST END TAPER ANGLE4.0 DEGREES MINIMUM AND 16.0 DEGREES MAXIMUM
SPECIAL FEATURESRADIUS END MAY BE CHAMFERED 25.0 DEG
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
FIRST END TAPER LENGTH0.453 INCHES NOMINAL IN
SECOND END CORNER RADIUS0.094 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SECOND END STYLERADIUS
PIN OVERALL DIAMETER0.7509 INCHES MINIMUM AND 0.7511 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
103696Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-21143Interchangeable
interchangeable cross-reference
interchangeable
141119Interchangeable
interchangeable cross-reference
interchangeable
8P15-200-253Interchangeable
interchangeable cross-reference
interchangeable
3C3159P03Interchangeable
interchangeable cross-reference
interchangeable
950111-61Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16556-102?
MS16556-102 is a PIN,STRAIGHT,HEADLESS.
What parts can replace MS16556-102?
There are 17 known substitutes for MS16556-102: 103696, MIL-P-21143, 141119 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS16556-102?
MS16556-102 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-210-2960. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026