HT4020-5-17Y — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4020-5-17Y: 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: 0.061 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.575 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, thread_length: 0.531 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-246-0758, 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

HT4020-5-17Y

NSN: 5305-01-246-0758
FSC: 5305 — Screws
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK UNDERCUT
head_height	0.061 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.575 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
thread_length	0.531 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.577 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
shoulder_length	1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM FIRST SHOULDER IN
special_features	SURFACE ROUGHNESS 32.0 MICRO INCHES; CETYL ALCOHOL LUBE BOLT ONLY
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN	5305-01-246-0758

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.061 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.577 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM FIRST SHOULDER IN

•

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

•

SHOULDER DIAMETER: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.531 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

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

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.061 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
FASTENER LENGTH	1.577 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
SHOULDER LENGTH	1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.531 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.312 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

No substitute or cross-reference records for this part.

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 HT4020-5-17Y?

HT4020-5-17Y is a SCREW,SHOULDER.

What is the NSN for HT4020-5-17Y?

HT4020-5-17Y is cataloged in the U.S. Government catalog under NSN 5305-01-246-0758. This indicates validated use in U.S. government and defense supply chains.

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HT4020-5-17Y — SCREW,SHOULDER

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