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CA21070-6-2HS — SCREW ASSEMBLY,PANEL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA21070-6-2HS: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 4140 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.518 INCHES MINIMUM AND 0.528 INCHES MAXIMUM IN, thread_length: 0.635 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN, fastener_length: 0.925 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-175-0610, 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
CA21070-6-2HS
NSN: 5305-01-175-0610
FSC: 5305 — Screws
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 4140 OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.518 INCHES MINIMUM AND 0.528 INCHES MAXIMUM IN
thread_length0.635 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
fastener_length0.925 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.218 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.375 INCHES IN
NSN5305-01-175-0610
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA21070-6-2HS · 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
•
WIDTH ACROSS FLATS: 0.218 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.925 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.635 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.218 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
FASTENER LENGTH0.925 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.635 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MINIMUM TENSILE STRENGTH160000 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 1
GS520CK6-02Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 CA21070-6-2HS?
CA21070-6-2HS is a SCREW ASSEMBLY,PANEL.
What parts can replace CA21070-6-2HS?
There is 1 known substitute for CA21070-6-2HS: GS520CK6-02. Substitute compatibility should be verified for your specific system.
What is the NSN for CA21070-6-2HS?
CA21070-6-2HS is cataloged in the U.S. Government catalog under NSN 5305-01-175-0610. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.