CA21170-3-9 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

CA21170-3-9: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.304 INCHES NOMINAL IN, thread_length: 0.338 INCHES NOMINAL IN, screw_material: STEEL COMP 8740, fastener_length: 0.900 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-143-9685, 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

CA21170-3-9

NSN: 5305-01-143-9685
FSC: 5305 — Screws
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.304 INCHES NOMINAL IN
thread_length	0.338 INCHES NOMINAL IN
screw_material	STEEL COMP 8740
fastener_length	0.900 INCHES NOMINAL IN
special_features	3 SLOTS EQUALLY SPACED ALONG THE LONGITUDINAL AXIS 0.028 IN. MIN. AND 0.033 IN. MAX. DIA. WITH COUNTERBORE IN THREADS 0.089 IN. NOMINAL DIA. AND 0.150 IN. MIN. DEPTH IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.190 INCHES IN
screw_surface_treatment	CADMIUM AND CHROMATE
NSN	5305-01-143-9685

COMPONENT DIAGRAM

KEY FEATURES

•

SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE

•

FASTENER LENGTH: 0.900 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.338 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

SCREW MATERIAL: STEEL COMP 8740

TECHNICAL CHARACTERISTICS

SCREW SURFACE TREATMENT	CADMIUM AND CHROMATE
FASTENER LENGTH	0.900 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.338 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL COMP 8740
SPECIAL FEATURES	3 SLOTS EQUALLY SPACED ALONG THE LONGITUDINAL AXIS 0.028 IN. MIN. AND 0.033 IN. MAX. DIA. WITH COUNTERBORE IN THREADS 0.089 IN. NOMINAL DIA. AND 0.150 IN. MIN. DEPTH IN
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH LBS

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is CA21170-3-9?

CA21170-3-9 is a SCREW,MACHINE.

What is the NSN for CA21170-3-9?

CA21170-3-9 is cataloged in the U.S. Government catalog under NSN 5305-01-143-9685. This indicates validated use in U.S. government and defense supply chains.

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CA21170-3-9 — SCREW,MACHINE

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