HT4020-3-4X — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4020-3-4X: 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: 0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.338 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN, thread_length: 0.406 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-268-5960, 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

HT4020-3-4X

NSN: 5305-01-268-5960
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	0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.338 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
thread_length	0.406 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
shoulder_length	0.209 INCHES MINIMUM AND 0.211 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter	0.202 INCHES MINIMUM AND 0.303 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5305-01-268-5960

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.209 INCHES MINIMUM AND 0.211 INCHES MAXIMUM FIRST SHOULDER IN

•

SHOULDER DIAMETER: 0.202 INCHES MINIMUM AND 0.303 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.406 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
FASTENER LENGTH	0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
SHOULDER LENGTH	0.209 INCHES MINIMUM AND 0.211 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER	0.202 INCHES MINIMUM AND 0.303 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.406 INCHES NOMINAL 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	FLAT COUNTERSUNK UNDERCUT
THREAD DIRECTION	RIGHT-HAND

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 HT4020-3-4X?

HT4020-3-4X is a SCREW,SHOULDER.

What is the NSN for HT4020-3-4X?

HT4020-3-4X is cataloged in the U.S. Government catalog under NSN 5305-01-268-5960. This indicates validated use in U.S. government and defense supply chains.

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HT4020-3-4X — SCREW,SHOULDER

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