ST3M506-4-12-1 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M506-4-12-1: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FILLISTER COUNTERSUNK, head_height: 0.0150 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.4208 INCHES MINIMUM AND 0.4258 INCHES MAXIMUM IN, thread_length: 0.3970 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-045-6653, 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

ST3M506-4-12-1

NSN: 5305-01-045-6653
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	FILLISTER COUNTERSUNK
head_height	0.0150 INCHES NOMINAL IN
thread_class	3A A
head_diameter	0.4208 INCHES MINIMUM AND 0.4258 INCHES MAXIMUM IN
thread_length	0.3970 INCHES NOMINAL IN
fastener_length	1.1310 INCHES MINIMUM AND 1.1780 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_style	HIGH-TORQUE
end_item_identification	FMS - AIRCRAFT, HORNET F/A-18;AIRCRAFT, EAGLE F-15;AIRCRAFT, HORNET F/A-18;AIRCRAFT, HARRIER AV-8B
nominal_thread_diameter	0.2500 INCHES IN
NSN	5305-01-045-6653

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.0150 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.1310 INCHES MINIMUM AND 1.1780 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.3970 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.2500 INCHES IN

•

HEAD STYLE: FILLISTER COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

INTERNAL DRIVE STYLE: HIGH-TORQUE

•

COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.0150 INCHES NOMINAL IN
FASTENER LENGTH	1.1310 INCHES MINIMUM AND 1.1780 INCHES MAXIMUM IN
THREAD LENGTH	0.3970 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.2500 INCHES IN
HEAD STYLE	FILLISTER COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
INTERNAL DRIVE STYLE	HIGH-TORQUE
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
THREAD CLASS	3A A
END ITEM IDENTIFICATION	FMS - AIRCRAFT, HORNET F/A-18;AIRCRAFT, EAGLE F-15;AIRCRAFT, HORNET F/A-18;AIRCRAFT, HARRIER AV-8B

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

HT4016-4-12YSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST3M506-4-12-1?

ST3M506-4-12-1 is a SCREW,CAP,SOCKET HEAD.

What parts can replace ST3M506-4-12-1?

There is 1 known substitute for ST3M506-4-12-1: HT4016-4-12Y. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M506-4-12-1?

ST3M506-4-12-1 is cataloged in the U.S. Government catalog under NSN 5305-01-045-6653. This indicates validated use in U.S. government and defense supply chains.

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