ST3M652C3-3A — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M652C3-3A: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, grip_length: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, head_height: 0.080 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-385-4637, 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

ST3M652C3-3A

NSN: 5305-01-385-4637
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	FLAT COUNTERSUNK UNDERCUT
grip_length	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
head_height	0.080 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter	0.3765 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM IN
thread_length	0.406 INCHES NOMINAL IN
fastener_length	0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
features_provided	O RING
NSN	5305-01-385-4637

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.080 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.406 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: 23-112,CAGEC 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

FEATURES PROVIDED: O RING

•

HEAD STYLE: FLAT COUNTERSUNK UNDERCUT

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.080 INCHES NOMINAL IN
FASTENER LENGTH	0.578 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.406 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	23-112,CAGEC 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
FEATURES PROVIDED	O RING
HEAD STYLE	FLAT COUNTERSUNK UNDERCUT
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN

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

HT4020-3-3ASame 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 ST3M652C3-3A?

ST3M652C3-3A is a SCREW,CLOSE TOLERANCE.

What parts can replace ST3M652C3-3A?

There is 1 known substitute for ST3M652C3-3A: HT4020-3-3A. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M652C3-3A?

ST3M652C3-3A is cataloged in the U.S. Government catalog under NSN 5305-01-385-4637. This indicates validated use in U.S. government and defense supply chains.

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