NCS-428-4-20 — STUD,SELF-LOCKING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

NCS-428-4-20: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, head_length: 0.117 INCHES NOMINAL IN, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, head_diameter: 0.384 INCHES NOMINAL IN, thread_length: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_length: 0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-446-6698, 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

NCS-428-4-20

NSN: 5307-01-446-6698
FSC: 5307 — Studs
CAGE: 57225 — SHIELDS CO MAGNETICS (USA)

SPECIFICATIONS

material	STEEL COMP 303
head_length	0.117 INCHES NOMINAL IN
thread_class	2A LOCATION NOT OTHERWISE SPECIFIED A
head_diameter	0.384 INCHES NOMINAL IN
thread_length	0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_length	0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
style_designator	SELF-LOCKING
thread_direction	RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
surface_treatment	PASSIVATE OVERALL
nominal_thread_size	0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
distance_across_flats	0.438 INCHES NOMINAL IN
thread_quantity_per_inch	28 LOCATION NOT OTHERWISE SPECIFIED
NSN	5307-01-446-6698

COMPONENT DIAGRAM

KEY FEATURES

•

THREAD LENGTH: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN

•

STYLE DESIGNATOR: SELF-LOCKING

•

THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED

•

NOMINAL THREAD SIZE: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN

•

HEAD LENGTH: 0.117 INCHES NOMINAL IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

•

THREAD CLASS: 2A LOCATION NOT OTHERWISE SPECIFIED A

TECHNICAL CHARACTERISTICS

THREAD LENGTH	0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
STYLE DESIGNATOR	SELF-LOCKING
OVERALL LENGTH	0.722 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE	0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
HEAD LENGTH	0.117 INCHES NOMINAL IN
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A LOCATION NOT OTHERWISE SPECIFIED A
THREAD QUANTITY PER INCH	28 LOCATION NOT OTHERWISE SPECIFIED
MATERIAL	STEEL COMP 303

OTHER ITEMS IN FSC 5307 — Studs

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

5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625

SUBSTITUTES & CROSS-REFERENCES 1

860336-342Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 NCS-428-4-20?

NCS-428-4-20 is a STUD,SELF-LOCKING.

What parts can replace NCS-428-4-20?

There is 1 known substitute for NCS-428-4-20: 860336-342. Substitute compatibility should be verified for your specific system.

What is the NSN for NCS-428-4-20?

NCS-428-4-20 is cataloged in the U.S. Government catalog under NSN 5307-01-446-6698. This indicates validated use in U.S. government and defense supply chains.

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