PartsTable
Technical Data Sheet
MS51053-126 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEADLESS (SETSCREW), point_style: CUP, spline_width: 0.022 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.125 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-0170, 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
MS51053-126
NSN: 5305-00-206-0170
FSC: 5305
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEADLESS (SETSCREW)
point_styleCUP
spline_width0.022 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
thread_class3A A
thread_length0.125 INCHES MAXIMUM IN
fastener_length0.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
spline_major_diameter0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
spline_minor_diameter0.055 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
NSN5305-00-206-0170
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51053-126 · 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
KEY FEATURES
THREAD LENGTH: 0.125 INCHES MAXIMUM IN
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
HEAD STYLE: HEADLESS (SETSCREW)
MATERIAL: STEEL OVERALL
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
THREAD CLASS: 3A A
FASTENER LENGTH: 0.125 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER: 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.125 INCHES MAXIMUM IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD STYLEHEADLESS (SETSCREW)
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS3A A
FASTENER LENGTH0.125 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
SPLINE WIDTH0.022 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
A11415.001.124Interchangeable
interchangeable cross-reference
interchangeable
A-1402Interchangeable
interchangeable cross-reference
interchangeable
AS6018Interchangeable
interchangeable cross-reference
interchangeable
131551-1Interchangeable
interchangeable cross-reference
interchangeable
JC497Interchangeable
interchangeable cross-reference
interchangeable
FFS103TYPEIVSTYLE4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51053-126?
MS51053-126 is a SETSCREW.
What parts can replace MS51053-126?
There are 19 known substitutes for MS51053-126: A11415.001.124, A-1402, AS6018 and 16 more. Substitute compatibility should be verified for your specific system.
Is MS51053-126 still available?
MS51053-126 is currently cancelled.
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