ST3M455-8L12 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M455-8L12: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN, head_diameter: 0.688 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-522-9598, 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

ST3M455-8L12

NSN: 5305-00-522-9598
FSC: 5305 — Screws
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN
head_diameter	0.688 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
thread_length	0.756 INCHES MINIMUM AND 0.806 INCHES MAXIMUM IN
fastener_length	1.516 INCHES MINIMUM AND 1.546 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	PASSIVATE OVERALL
internal_drive_style	HIGH-TORQUE
NSN	5305-00-522-9598

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.516 INCHES MINIMUM AND 1.546 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.756 INCHES MINIMUM AND 0.806 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.500 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN

•

GRIP DIAMETER: 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.516 INCHES MINIMUM AND 1.546 INCHES MAXIMUM IN
THREAD LENGTH	0.756 INCHES MINIMUM AND 0.806 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.500 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
GRIP DIAMETER	0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE OVERALL
INTERNAL DRIVE STYLE	HIGH-TORQUE
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM

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 3

HT4024L8-12Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

11907-8L12Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

WC4024L8-12Same 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 ST3M455-8L12?

ST3M455-8L12 is a SCREW,CLOSE TOLERANCE.

What parts can replace ST3M455-8L12?

There are 3 known substitutes for ST3M455-8L12: HT4024L8-12, 11907-8L12, WC4024L8-12. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M455-8L12?

ST3M455-8L12 is cataloged in the U.S. Government catalog under NSN 5305-00-522-9598. This indicates validated use in U.S. government and defense supply chains.

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