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HT4016-3-18X — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HT4016-3-18X: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: OVAL COUNTERSUNK, thread_class: 3A A, head_diameter: 0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN, thread_length: 0.305 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-142-4875, 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
HT4016-3-18X
NSN: 5305-01-142-4875
FSC: 5305 — Screws
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleOVAL COUNTERSUNK
thread_class3A A
head_diameter0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN
thread_length0.305 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.440 INCHES MINIMUM AND 1.487 INCHES MAXIMUM IN
shoulder_length1.080 INCHES MINIMUM AND 1.099 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM FIRST SHOULDER IN
internal_drive_styleHIGH-TORQUE
NSN5305-01-142-4875
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT4016-3-18X · 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: 1.440 INCHES MINIMUM AND 1.487 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.080 INCHES MINIMUM AND 1.099 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.305 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: OVAL COUNTERSUNK
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.440 INCHES MINIMUM AND 1.487 INCHES MAXIMUM IN
SHOULDER LENGTH1.080 INCHES MINIMUM AND 1.099 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.305 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEOVAL COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
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 1
ST3M495-3-18-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HT4016-3-18X?
HT4016-3-18X is a SCREW,SHOULDER.
What parts can replace HT4016-3-18X?
There is 1 known substitute for HT4016-3-18X: ST3M495-3-18-1. Substitute compatibility should be verified for your specific system.
What is the NSN for HT4016-3-18X?
HT4016-3-18X is cataloged in the U.S. Government catalog under NSN 5305-01-142-4875. This indicates validated use in U.S. government and defense supply chains.
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