HT4020-5-6AY — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4020-5-6AY: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 FASTENER, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.629 INCHES MINIMUM AND 0.634 INCHES MAXIMUM IN, thread_length: 0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-263-0842, 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

HT4020-5-6AY

NSN: 5305-01-263-0842
FSC: 5305 — Screws
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 FASTENER
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.629 INCHES MINIMUM AND 0.634 INCHES MAXIMUM IN
thread_length	0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.890 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
shoulder_length	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
features_provided	CETYL ALCOHOL LUBRICANT AND O RING
shoulder_diameter	0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5305-01-263-0842

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.890 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM FIRST SHOULDER IN

•

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

•

THREAD LENGTH: 0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

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

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

•

FEATURES PROVIDED: CETYL ALCOHOL LUBRICANT AND O RING

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.890 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
SHOULDER LENGTH	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER	0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
NOMINAL THREAD DIAMETER	0.312 INCHES IN
FEATURES PROVIDED	CETYL ALCOHOL LUBRICANT AND O RING
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-001-5016 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 2

3M902C5-6ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

11879C5-6ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HT4020-5-6AY?

HT4020-5-6AY is a SCREW,SHOULDER.

What parts can replace HT4020-5-6AY?

There are 2 known substitutes for HT4020-5-6AY: 3M902C5-6A, 11879C5-6A. Substitute compatibility should be verified for your specific system.

What is the NSN for HT4020-5-6AY?

HT4020-5-6AY is cataloged in the U.S. Government catalog under NSN 5305-01-263-0842. This indicates validated use in U.S. government and defense supply chains.

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