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HT4017-08-11 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HT4017-08-11: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: OVAL COUNTERSUNK, grip_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN, head_diameter: 0.2916 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-507-5050, 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
HT4017-08-11
NSN: 5305-01-507-5050
FSC: 5305 — Screws
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleOVAL COUNTERSUNK
grip_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN
head_diameter0.2916 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN
thread_length0.312 INCHES NOMINAL IN
fastener_length0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
internal_drive_styleHIGH-TORQUE
end_item_identificationCTR FUSELAGE
NSN5305-01-507-5050
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT4017-08-11 · 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
•
FASTENER LENGTH: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.312 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 23-112,MCDONNEL DOUGLAS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.1640 INCHES IN
•
HEAD STYLE: OVAL COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
GRIP DIAMETER: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
THREAD LENGTH0.312 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION23-112,MCDONNEL DOUGLAS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.1640 INCHES IN
HEAD STYLEOVAL COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
GRIP DIAMETER0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN
INTERNAL DRIVE STYLEHIGH-TORQUE
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
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
ST3M649-08-11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 HT4017-08-11?
HT4017-08-11 is a SCREW,CLOSE TOLERANCE.
What parts can replace HT4017-08-11?
There is 1 known substitute for HT4017-08-11: ST3M649-08-11. Substitute compatibility should be verified for your specific system.
What is the NSN for HT4017-08-11?
HT4017-08-11 is cataloged in the U.S. Government catalog under NSN 5305-01-507-5050. 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.