90086A550 — SCREW,TAPPING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

90086A550: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, head_diameter: 0.568 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, fastener_length: 2.000 INCHES NOMINAL IN, countersink_angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM, features_provided: CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-164-9723, 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

90086A550

NSN: 5305-01-164-9723
FSC: 5305 — Screws
CAGE: 0KVE6 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	FLAT COUNTERSUNK
head_diameter	0.568 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
fastener_length	2.000 INCHES NOMINAL IN
countersink_angle	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
features_provided	CASEHARDENED
surface_treatment	CADMIUM AND ZINC OVERALL
internal_drive_style	TORX
spline_major_diameter	0.221 INCHES NOMINAL IN
nonmachine_thread_style	DOUBLE FLUTE (TYPE F)
nonmachine_nominal_thread_diameter	0.312 INCHES IN
material_document_and_classification	SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5305-01-164-9723

COMPONENT DIAGRAM

KEY FEATURES

•

NONMACHINE NOMINAL THREAD DIAMETER: 0.312 INCHES IN

•

FASTENER LENGTH: 2.000 INCHES NOMINAL IN

•

NONMACHINE THREAD STYLE: DOUBLE FLUTE (TYPE F)

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

SPLINE MAJOR DIAMETER: 0.221 INCHES NOMINAL IN

•

FEATURES PROVIDED: CASEHARDENED

•

HEAD STYLE: FLAT COUNTERSUNK

•

SURFACE TREATMENT: CADMIUM AND ZINC OVERALL

TECHNICAL CHARACTERISTICS

NONMACHINE NOMINAL THREAD DIAMETER	0.312 INCHES IN
FASTENER LENGTH	2.000 INCHES NOMINAL IN
NONMACHINE THREAD STYLE	DOUBLE FLUTE (TYPE F)
MATERIAL DOCUMENT AND CLASSIFICATION	SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPLINE MAJOR DIAMETER	0.221 INCHES NOMINAL IN
FEATURES PROVIDED	CASEHARDENED
HEAD STYLE	FLAT COUNTERSUNK
SURFACE TREATMENT	CADMIUM AND ZINC OVERALL
INTERNAL DRIVE STYLE	TORX
COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM

SUBSTITUTES & CROSS-REFERENCES 1

3600-901Reference 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 90086A550?

90086A550 is a SCREW,TAPPING.

What parts can replace 90086A550?

There is 1 known substitute for 90086A550: 3600-901. Substitute compatibility should be verified for your specific system.

What is the NSN for 90086A550?

90086A550 is cataloged in the U.S. Government catalog under NSN 5305-01-164-9723. This indicates validated use in U.S. government and defense supply chains.

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