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CA21135M4-4-9 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA21135M4-4-9: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 1.02 MILLIMETERS MAXIMUM MM, head_diameter: 7.44 MILLIMETERS MINIMUM AND 7.80 MILLIMETERS MAXIMUM MM, screw_material: STEEL CORROSION RESISTING, fastener_length: 14.27 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-478-0491, 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
CA21135M4-4-9
NSN: 5305-01-478-0491
FSC: 5305 — Screws
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
head_stylePAN
head_height1.02 MILLIMETERS MAXIMUM MM
head_diameter7.44 MILLIMETERS MINIMUM AND 7.80 MILLIMETERS MAXIMUM MM
screw_materialSTEEL CORROSION RESISTING
fastener_length14.27 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
nominal_thread_diameter4.0 MILLIMETERS MM
screw_surface_treatmentPASSIVATE
thread_series_designatorISO M
thread_pitch_in_millimeters0.7
external_thread_tolerance_class6G G
screw_material_document_and_classificationSAE-AMS-QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE
NSN5305-01-478-0491
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA21135M4-4-9 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 1.02 MILLIMETERS MAXIMUM MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 14.27 MILLIMETERS NOMINAL MM
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AMS-QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD PITCH IN MILLIMETERS: 0.7
•
NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS MM
•
HEAD STYLE: PAN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT1.02 MILLIMETERS MAXIMUM MM
EXTERNAL THREAD TOLERANCE CLASS6G G
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH14.27 MILLIMETERS NOMINAL MM
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AMS-QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE
THREAD PITCH IN MILLIMETERS0.7
NOMINAL THREAD DIAMETER4.0 MILLIMETERS MM
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CA21135M4-4-9?
CA21135M4-4-9 is a SCREW,MACHINE.
What is the NSN for CA21135M4-4-9?
CA21135M4-4-9 is cataloged in the U.S. Government catalog under NSN 5305-01-478-0491. This indicates validated use in U.S. government and defense supply chains.
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