KS17-428-20 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

KS17-428-20: 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, head_height: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_length: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-310-9609, 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

KS17-428-20

NSN: 5305-01-310-9609
FSC: 5305 — Screws
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	FILLISTER
head_height	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_length	0.875 INCHES NOMINAL IN
fastener_length	1.250 INCHES NOMINAL IN
hardness_rating	38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_across_flats	0.188 INCHES NOMINAL IN
internal_drive_style	HEXAGON
NSN	5305-01-310-9609

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.188 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.250 INCHES NOMINAL IN

•

THREAD LENGTH: 0.875 INCHES NOMINAL IN

•

HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FILLISTER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.188 INCHES NOMINAL IN
HEAD HEIGHT	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FASTENER LENGTH	1.250 INCHES NOMINAL IN
THREAD LENGTH	0.875 INCHES NOMINAL IN
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FILLISTER
THREAD DIRECTION	RIGHT-HAND
SURFACE TREATMENT	PASSIVATE OVERALL
MINIMUM TENSILE STRENGTH	170000 POUNDS PER SQUARE INCH LBS

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

3451345-29Same 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 KS17-428-20?

KS17-428-20 is a SCREW,CAP,SOCKET HEAD.

What parts can replace KS17-428-20?

There is 1 known substitute for KS17-428-20: 3451345-29. Substitute compatibility should be verified for your specific system.

What is the NSN for KS17-428-20?

KS17-428-20 is cataloged in the U.S. Government catalog under NSN 5305-01-310-9609. This indicates validated use in U.S. government and defense supply chains.

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KS17-428-20 — SCREW,CAP,SOCKET HEAD

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