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Technical Data Sheet
PartsTable / COMPONENT / MS35308-357
MS35308-357 ✓ 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 COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL, head_style: HEXAGON, head_height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.625 INCHES MAXIMUM IN, fastener_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-021-3921, 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
MS35308-357
NSN: 5305-00-021-3921
FSC: 5305
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
head_styleHEXAGON
head_height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
thread_class2A A
thread_length0.625 INCHES MAXIMUM IN
fastener_length0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
NSN5305-00-021-3921
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35308-357 · 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
•
HEAD HEIGHT: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.625 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
THREAD LENGTH0.625 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD CLASS2A A
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
9804742Interchangeable
interchangeable cross-reference
interchangeable
P125-7Interchangeable
interchangeable cross-reference
interchangeable
UTL203PAInterchangeable
interchangeable cross-reference
interchangeable
21392-1Interchangeable
interchangeable cross-reference
interchangeable
09-50-3211Interchangeable
interchangeable cross-reference
interchangeable
5012268-02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35308-357?
MS35308-357 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace MS35308-357?
There are 10 known substitutes for MS35308-357: 9804742, P125-7, UTL203PA and 7 more. Substitute compatibility should be verified for your specific system.
Is MS35308-357 still available?
MS35308-357 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