ST3M557-6-10M — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M557-6-10M: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: OVAL COUNTERSUNK, grip_length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.374 INCHES NOMINAL IN, head_diameter: 0.564 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-535-9874, 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

ST3M557-6-10M

NSN: 5305-01-535-9874
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
head_style	OVAL COUNTERSUNK
grip_length	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.374 INCHES NOMINAL IN
head_diameter	0.564 INCHES NOMINAL IN
thread_length	0.641 INCHES NOMINAL IN
fastener_length	1.251 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	PASSIVATE AND LUBRICANT OVERALL
internal_drive_style	HIGH-TORQUE
NSN	5305-01-535-9874

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.251 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.641 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

•

HEAD STYLE: OVAL COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN

•

GRIP DIAMETER: 0.374 INCHES NOMINAL IN

•

SURFACE TREATMENT: PASSIVATE AND LUBRICANT OVERALL

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.251 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
THREAD LENGTH	0.641 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	OVAL COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
GRIP DIAMETER	0.374 INCHES NOMINAL IN
SURFACE TREATMENT	PASSIVATE AND LUBRICANT 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.

5305-00-001-5016 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 1

11923-6-10MSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 ST3M557-6-10M?

ST3M557-6-10M is a SCREW,CLOSE TOLERANCE.

What parts can replace ST3M557-6-10M?

There is 1 known substitute for ST3M557-6-10M: 11923-6-10M. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M557-6-10M?

ST3M557-6-10M is cataloged in the U.S. Government catalog under NSN 5305-01-535-9874. This indicates validated use in U.S. government and defense supply chains.

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