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Technical Data Sheet
PartsTable / COMPONENT / MS35289-1
MS35289-1 ✓ 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: 0.1500 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.375 INCHES NOMINAL IN, fastener_length: 0.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-558-3694, 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
MS35289-1
NSN: 5305-00-558-3694
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_height0.1500 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN
thread_class2A A
thread_length0.375 INCHES NOMINAL IN
fastener_length0.375 INCHES NOMINAL IN
hardness_rating100.0 ROCKWELL B NOMINAL OVERALL
thread_directionRIGHT-HAND
width_between_flats0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
minimum_tensile_strength69000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch20
NSN5305-00-558-3694
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35289-1 · 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: 0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE AND 2 GRADE
•
MATERIAL: STEEL OVERALL
•
HARDNESS RATING: 100.0 ROCKWELL B NOMINAL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.1500 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 2 GRADE
MATERIALSTEEL OVERALL
HARDNESS RATING100.0 ROCKWELL B NOMINAL OVERALL
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.375 INCHES NOMINAL IN
HEAD HEIGHT0.1500 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
402294-150Interchangeable
interchangeable cross-reference
interchangeable
77504X1LTInterchangeable
interchangeable cross-reference
interchangeable
204PPTFANG25Interchangeable
interchangeable cross-reference
interchangeable
121787Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35289-1?
MS35289-1 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace MS35289-1?
There are 4 known substitutes for MS35289-1: 402294-150, 77504X1LT, 204PPTFANG25 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35289-1?
MS35289-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-558-3694. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026