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Technical Data Sheet
PartsTable / COMPONENT / MS16997-141
MS16997-141 ✓ 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,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_length: 1.000 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-983-7460, 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
MS16997-141
NSN: 5305-00-983-7460
FSC: 5305
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_length1.000 INCHES MAXIMUM IN
fastener_length0.069 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5305-00-983-7460
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS16997-141 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH LBS
•
HEAD HEIGHT: 0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
INTERNAL DRIVE STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.500 INCHES IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
61816Interchangeable
interchangeable cross-reference
interchangeable
B107.5M CL1STAInterchangeable
interchangeable cross-reference
interchangeable
13324Interchangeable
interchangeable cross-reference
interchangeable
A15120 ITEM 30Interchangeable
interchangeable cross-reference
interchangeable
7110180805Interchangeable
interchangeable cross-reference
interchangeable
5110180805Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16997-141?
MS16997-141 is a SCREW,CAP,SOCKET HEAD.
What parts can replace MS16997-141?
There are 8 known substitutes for MS16997-141: 61816, B107.5M CL1STA, 13324 and 5 more. Substitute compatibility should be verified for your specific system.
Is MS16997-141 still available?
MS16997-141 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