HT4020-4-15Y — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4020-4-15Y: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 0.582 INCHES MINIMUM AND 0.602 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN, thread_length: 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-186-3452, 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

HT4020-4-15Y

NSN: 5305-01-186-3452
FSC: 5305 — Screws
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK UNDERCUT
head_height	0.582 INCHES MINIMUM AND 0.602 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
thread_length	0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.391 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
shoulder_length	0.868 INCHES MINIMUM AND 0.890 INCHES MAXIMUM FIRST SHOULDER IN
special_features	FURNISHED WITH ONE O RING
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN	5305-01-186-3452

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.582 INCHES MINIMUM AND 0.602 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.391 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.868 INCHES MINIMUM AND 0.890 INCHES MAXIMUM FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.582 INCHES MINIMUM AND 0.602 INCHES MAXIMUM IN
FASTENER LENGTH	1.391 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
SHOULDER LENGTH	0.868 INCHES MINIMUM AND 0.890 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.281 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK UNDERCUT

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

11879-C4-15DSame 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 HT4020-4-15Y?

HT4020-4-15Y is a SCREW,SHOULDER.

What parts can replace HT4020-4-15Y?

There is 1 known substitute for HT4020-4-15Y: 11879-C4-15D. Substitute compatibility should be verified for your specific system.

What is the NSN for HT4020-4-15Y?

HT4020-4-15Y is cataloged in the U.S. Government catalog under NSN 5305-01-186-3452. This indicates validated use in U.S. government and defense supply chains.

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