PartsTable
Technical Data Sheet

62C350HCSY/L9 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

62C350HCSY/L9: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include fastener_length: 3.500 INCHES NOMINAL IN, special_features: MATL:F911 ALLOY, CAGE 0R3M6, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL, nominal_thread_diameter: 0.625 INCHES IN, thread_quantity_per_inch: 11. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-406-1665, 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
62C350HCSY/L9
NSN: 5305-01-406-1665
FSC: 5305 — Screws
CAGE: 0R3M6 — MULTI-FASTENERS INC (USA)
SPECIFICATIONS
fastener_length3.500 INCHES NOMINAL IN
special_featuresMATL:F911 ALLOY, CAGE 0R3M6
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch11
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-406-1665
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 62C350HCSY/L9 · 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
•
FASTENER LENGTH: 3.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD QUANTITY PER INCH: 11
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
FASTENER LENGTH3.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESMATL:F911 ALLOY, CAGE 0R3M6
SURFACE TREATMENTZINC OVERALL
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
62C350HCSY/F911Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 62C350HCSY/L9?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 62C350HCSY/L9?
62C350HCSY/L9 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 62C350HCSY/L9?
There is 1 known substitute for 62C350HCSY/L9: 62C350HCSY/F911. Substitute compatibility should be verified for your specific system.
What is the NSN for 62C350HCSY/L9?
62C350HCSY/L9 is cataloged in the U.S. Government catalog under NSN 5305-01-406-1665. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 62C350HCSY/L9

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.