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PartsTable / COMPONENT / MS90728-87
MS90728-87 ✓ 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,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MAXIMUM IN, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-071-1788, 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
MS90728-87
NSN: 5305-00-071-1788
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_height0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MAXIMUM IN
fastener_length1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC AND CHROMATE OVERALL
width_between_flats0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
minimum_yield_strength120000 POUNDS PER SQUARE INCH LBS
end_item_identificationMRAP RG-33 AUV; MRAP BUFFALO MK2A2; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
nominal_thread_diameter0.438 INCHES IN
NSN5305-00-071-1788
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS90728-87 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
MINIMUM YIELD STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
•
THREAD QUANTITY PER INCH: 14
•
THREAD LENGTH: 1.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
END ITEM IDENTIFICATIONMRAP RG-33 AUV; MRAP BUFFALO MK2A2; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH LBS
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
THREAD QUANTITY PER INCH14
THREAD LENGTH1.250 INCHES MAXIMUM IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
PC180147Interchangeable
interchangeable cross-reference
interchangeable
K-500-CH-0208Interchangeable
interchangeable cross-reference
interchangeable
180147Interchangeable
interchangeable cross-reference
interchangeable
251539Interchangeable
interchangeable cross-reference
interchangeable
L6497-52Interchangeable
interchangeable cross-reference
interchangeable
W100711-4HTCAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS90728-87?
MS90728-87 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace MS90728-87?
There are 21 known substitutes for MS90728-87: PC180147, K-500-CH-0208, 180147 and 18 more. Substitute compatibility should be verified for your specific system.
Is MS90728-87 still available?
MS90728-87 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