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Technical Data Sheet
PartsTable / COMPONENT / MS35297-115
MS35297-115 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN, fastener_length: 2.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-018-0181, 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
MS35297-115
NSN: 5305-00-018-0181
FSC: 5305
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
fastener_length2.000 INCHES NOMINAL IN
hardness_rating100.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
NSN5305-00-018-0181
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35297-115 · 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
•
WIDTH BETWEEN FLATS: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 13
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH13
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.500 INCHES IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MILE1Interchangeable
interchangeable cross-reference
interchangeable
39-44Interchangeable
interchangeable cross-reference
interchangeable
FF-S-85 TY II STYLE 10P GRADE 2Interchangeable
interchangeable cross-reference
interchangeable
490832Z26LInterchangeable
interchangeable cross-reference
interchangeable
500-13UNC-2A X 2.00 TY2 CL3Interchangeable
interchangeable cross-reference
interchangeable
180181Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35297-115?
MS35297-115 is a BOLT,MACHINE.
What parts can replace MS35297-115?
There are 17 known substitutes for MS35297-115: MILE1, 39-44, FF-S-85 TY II STYLE 10P GRADE 2 and 14 more. Substitute compatibility should be verified for your specific system.
Is MS35297-115 still available?
MS35297-115 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