PartsTable
Technical Data Sheet
Download PDF

CA4383 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA4383: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, thread_length: 0.423 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-183-4000, 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
CA4383
NSN: 5306-01-183-4000
FSC: 5306 — Bolts
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
head_styleROUND W/WRENCH FLATS
head_height0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
thread_length0.423 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
fastener_length0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
style_designatorCONCENTRIC HOLE UNTHREADED
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
NSN5306-01-183-4000
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA4383 · 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: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.423 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CONCENTRIC HOLE UNTHREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: ROUND W/WRENCH FLATS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
FASTENER LENGTH0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.423 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEROUND W/WRENCH FLATS
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.500 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
868058-0001Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy CA4383?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is CA4383?
CA4383 is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace CA4383?
There is 1 known substitute for CA4383: 868058-0001. Substitute compatibility should be verified for your specific system.
What is the NSN for CA4383?
CA4383 is cataloged in the U.S. Government catalog under NSN 5306-01-183-4000. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — CA4383

✓ 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.