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HT353P3-11 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HT353P3-11: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, grip_length: 0.688 INCHES NOMINAL IN, head_height: 0.0800 INCHES MINIMUM AND 0.0820 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-463-0503, 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
HT353P3-11
NSN: 5305-01-463-0503
FSC: 5305 — Screws
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialTITANIUM OVERALL
head_styleFLAT COUNTERSUNK UNDERCUT
grip_length0.688 INCHES NOMINAL IN
head_height0.0800 INCHES MINIMUM AND 0.0820 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.4625 INCHES MINIMUM AND 0.4672 INCHES MAXIMUM IN
thread_length0.406 INCHES NOMINAL IN
fastener_length1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
special_featuresPROVIDE WITH O-RING
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
NSN5305-01-463-0503
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT353P3-11 · 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: 0.0800 INCHES MINIMUM AND 0.0820 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.406 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.1900 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK UNDERCUT
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.688 INCHES NOMINAL IN
•
GRIP DIAMETER: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.0800 INCHES MINIMUM AND 0.0820 INCHES MAXIMUM IN
FASTENER LENGTH1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
THREAD LENGTH0.406 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.1900 INCHES IN
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.688 INCHES NOMINAL IN
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
SPECIAL FEATURESPROVIDE WITH O-RING
INTERNAL DRIVE STYLEHIGH-TORQUE
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 2
HT4058-3-11AReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
ST3M794V3-11AReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HT353P3-11?
HT353P3-11 is a SCREW,CLOSE TOLERANCE.
What parts can replace HT353P3-11?
There are 2 known substitutes for HT353P3-11: HT4058-3-11A, ST3M794V3-11A. Substitute compatibility should be verified for your specific system.
What is the NSN for HT353P3-11?
HT353P3-11 is cataloged in the U.S. Government catalog under NSN 5305-01-463-0503. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.