PK77XZ6-6 — SCREW,TAPPING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

PK77XZ6-6: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, head_diameter: 0.279 INCHES NOMINAL IN, fastener_length: 0.375 INCHES NOMINAL IN, countersink_angle: 82.0 DEGREES NOMINAL, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-809-5978, 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

PK77XZ6-6

NSN: 5305-00-809-5978
FSC: 5305 — Screws
CAGE: 45722 — USM CORP SUB OF EMHART INDUSTRIES INC PARKER-KALON FASTENER DIV (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	FLAT COUNTERSUNK
head_diameter	0.279 INCHES NOMINAL IN
fastener_length	0.375 INCHES NOMINAL IN
countersink_angle	82.0 DEGREES NOMINAL
surface_treatment	CADMIUM OVERALL
internal_drive_style	CROSS RECESS TYPE II
nonmachine_thread_style	DOG TYPE (TYPE B OR C)
nonmachine_nominal_thread_diameter	0.138 INCHES IN
NSN	5305-00-809-5978

COMPONENT DIAGRAM

KEY FEATURES

•

NONMACHINE NOMINAL THREAD DIAMETER: 0.138 INCHES IN

•

FASTENER LENGTH: 0.375 INCHES NOMINAL IN

•

NONMACHINE THREAD STYLE: DOG TYPE (TYPE B OR C)

•

HEAD STYLE: FLAT COUNTERSUNK

•

SURFACE TREATMENT: CADMIUM OVERALL

•

INTERNAL DRIVE STYLE: CROSS RECESS TYPE II

•

COUNTERSINK ANGLE: 82.0 DEGREES NOMINAL

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

NONMACHINE NOMINAL THREAD DIAMETER	0.138 INCHES IN
FASTENER LENGTH	0.375 INCHES NOMINAL IN
NONMACHINE THREAD STYLE	DOG TYPE (TYPE B OR C)
HEAD STYLE	FLAT COUNTERSUNK
SURFACE TREATMENT	CADMIUM OVERALL
INTERNAL DRIVE STYLE	CROSS RECESS TYPE II
COUNTERSINK ANGLE	82.0 DEGREES NOMINAL
MATERIAL	STEEL OVERALL
HEAD DIAMETER	0.279 INCHES NOMINAL IN

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 2

FF-S-107Reference document

Same NSN cross-reference

Reference document — Identification reference

77XZ6-6Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 PK77XZ6-6?

PK77XZ6-6 is a SCREW,TAPPING.

What parts can replace PK77XZ6-6?

There are 2 known substitutes for PK77XZ6-6: FF-S-107, 77XZ6-6. Substitute compatibility should be verified for your specific system.

What is the NSN for PK77XZ6-6?

PK77XZ6-6 is cataloged in the U.S. Government catalog under NSN 5305-00-809-5978. This indicates validated use in U.S. government and defense supply chains.

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