CA21189-4-12HS — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

CA21189-4-12HS: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.360 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN, thread_length: 0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES GRIP. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-286-5436, 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

CA21189-4-12HS

NSN: 5305-01-286-5436
FSC: 5305 — Screws
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.360 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
thread_length	0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES GRIP
fastener_length	1.467 INCHES MINIMUM AND 1.487 INCHES MAXIMUM IN
special_features	0.112 IN. DIA. HOLE FOR CA2105 CAGEC 29372 PLUG; 040 IN. WIDE X 0.029 IN. DEEP SPLINES 120 DEGREES APART IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	PASSIVATE OVERALL
width_across_flats	0.156 INCHES NOMINAL IN
NSN	5305-01-286-5436

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES GRIP

•

WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.467 INCHES MINIMUM AND 1.487 INCHES MAXIMUM IN

•

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

•

THREAD LENGTH: 0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

SINGLE SHEAR STRENGTH: ERR-060

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES GRIP
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL IN
FASTENER LENGTH	1.467 INCHES MINIMUM AND 1.487 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SINGLE SHEAR STRENGTH	ERR-060
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

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

717801668-002Same 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 CA21189-4-12HS?

CA21189-4-12HS is a SCREW,CAP,SOCKET HEAD.

What parts can replace CA21189-4-12HS?

There is 1 known substitute for CA21189-4-12HS: 717801668-002. Substitute compatibility should be verified for your specific system.

What is the NSN for CA21189-4-12HS?

CA21189-4-12HS is cataloged in the U.S. Government catalog under NSN 5305-01-286-5436. This indicates validated use in U.S. government and defense supply chains.

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