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Technical Data Sheet
PartsTable / COMPONENT / MS51958-63
MS51958-63 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, thread_length: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-059-3659, 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
MS51958-63
NSN: 5305-00-059-3659
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
head_stylePAN
head_height0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
thread_length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
special_featuresROHS COMPLIANT
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE II
end_item_identificationMRAP - COMMON NSN - USED ON MRAP NO PERMANENT WSDC IDENTIFIED AND 2 OTHER WEAPON SYSTEMS
nominal_thread_diameter0.190 INCHES IN
NSN5305-00-059-3659
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51958-63 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
200164Interchangeable
interchangeable cross-reference
interchangeable
292-235Interchangeable
interchangeable cross-reference
interchangeable
226Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
SCSR100-256Interchangeable
interchangeable cross-reference
interchangeable
AN520C10-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51958-63?
MS51958-63 is a SCREW,MACHINE.
What parts can replace MS51958-63?
There are 30 known substitutes for MS51958-63: 200164, 292-235, 226 and 27 more. Substitute compatibility should be verified for your specific system.
Is MS51958-63 still available?
MS51958-63 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