D9578-56A9 — SCREW,TAPPING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

D9578-56A9: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, head_diameter: 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, fastener_length: 0.500 INCHES NOMINAL IN, countersink_angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM, surface_treatment: CADMIUM OR ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-011-1687, 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

D9578-56A9

NSN: 5305-00-011-1687
FSC: 5305 — Screws
CAGE: 91340 — MET-PRO CORPORATION (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	FLAT COUNTERSUNK
head_diameter	0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
fastener_length	0.500 INCHES NOMINAL IN
countersink_angle	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
surface_treatment	CADMIUM OR ZINC OVERALL
internal_drive_style	CROSS RECESS TYPE 1
nonmachine_thread_style	GIMLET POINT (TYPE A, AB OR BA)
nonmachine_nominal_thread_diameter	0.190 INCHES IN
surface_treatment_document_and_classification	QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NSN	5305-00-011-1687

COMPONENT DIAGRAM

KEY FEATURES

•

NONMACHINE NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

FASTENER LENGTH: 0.500 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL

•

NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)

•

HEAD STYLE: FLAT COUNTERSUNK

•

SURFACE TREATMENT: CADMIUM OR ZINC OVERALL

•

INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1

•

COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM

TECHNICAL CHARACTERISTICS

NONMACHINE NOMINAL THREAD DIAMETER	0.190 INCHES IN
FASTENER LENGTH	0.500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NONMACHINE THREAD STYLE	GIMLET POINT (TYPE A, AB OR BA)
HEAD STYLE	FLAT COUNTERSUNK
SURFACE TREATMENT	CADMIUM OR ZINC OVERALL
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
MATERIAL	STEEL OVERALL
HEAD DIAMETER	0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 3

125972Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FFS107TYPEASTYLE6SReference document

Same NSN cross-reference

Reference document — Identification reference

111687Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is D9578-56A9?

D9578-56A9 is a SCREW,TAPPING.

What parts can replace D9578-56A9?

There are 3 known substitutes for D9578-56A9: 125972, FFS107TYPEASTYLE6S, 111687. Substitute compatibility should be verified for your specific system.

What is the NSN for D9578-56A9?

D9578-56A9 is cataloged in the U.S. Government catalog under NSN 5305-00-011-1687. This indicates validated use in U.S. government and defense supply chains.

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