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Technical Data Sheet
PartsTable / COMPONENT / MS16187-61
MS16187-61 ✓ 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 STUD,CONTINUOUS THREAD is a the manufacturer industrial component. Key specifications include material: STEEL UNS K14072, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, overall_length: 2.438 INCHES MINIMUM AND 2.562 INCHES MAXIMUM IN, hardness_rating: 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, nominal_thread_size: 0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-637-6465, 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
MS16187-61
NSN: 5307-00-637-6465
FSC: 5307
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL UNS K14072
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
overall_length2.438 INCHES MINIMUM AND 2.562 INCHES MAXIMUM IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_quantity_per_inch13 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
material_document_and_classificationASTM A193 B16 ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-00-637-6465
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS16187-61 · 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 CLASS: 2A LOCATION NOT OTHERWISE SPECIFIED A
•
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD SIZE: 0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL: STEEL UNS K14072
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A193 B16 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD QUANTITY PER INCH: 13 LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A LOCATION NOT OTHERWISE SPECIFIED A
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
NOMINAL THREAD SIZE0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL LENGTH2.438 INCHES MINIMUM AND 2.562 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL UNS K14072
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A193 B16 ASSN STD SINGLE MATERIAL RESPONSE
THREAD QUANTITY PER INCH13 LOCATION NOT OTHERWISE SPECIFIED
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A-A-410Interchangeable
interchangeable cross-reference
interchangeable
23209Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296 TY1SEBInterchangeable
interchangeable cross-reference
interchangeable
M306001Interchangeable
interchangeable cross-reference
interchangeable
8327444Interchangeable
interchangeable cross-reference
interchangeable
68-61Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16187-61?
MS16187-61 is a STUD,CONTINUOUS THREAD.
What parts can replace MS16187-61?
There are 11 known substitutes for MS16187-61: A-A-410, 23209, GGG-D-296 TY1SEB and 8 more. Substitute compatibility should be verified for your specific system.
Is MS16187-61 still available?
MS16187-61 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