PartsTable
Technical Data Sheet
Download PDF

CA18333-2 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA18333-2: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.560 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, grip_length: 0.220 INCHES NOMINAL IN, minor_diameter: 0.221 INCHES NOMINAL IN, extension_length: 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN, stud_head_height: 0.560 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-491-2619, 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
CA18333-2
NSN: 5325-01-491-2619
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
diameter0.560 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
grip_length0.220 INCHES NOMINAL IN
minor_diameter0.221 INCHES NOMINAL IN
extension_length0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
stud_head_height0.560 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
end_item_identificationAIRCRAFT,B-2 BOMBER (ATB)
turnlock_stud_head_styleKNURLED
stud_shank_major_diameter0.2470 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_document_and_classificationASTM-A-581/582/320 ASSN STD 1ST MATERIAL RESPONSE OVERALL
NSN5325-01-491-2619
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA18333-2 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
EXTENSION LENGTH: 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A-581/582/320 ASSN STD 1ST MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.560 INCHES NOMINAL IN
•
STUD HEAD HEIGHT: 0.560 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: KNURLED
•
STUD SHANK MAJOR DIAMETER: 0.2470 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL
TURNLOCK STUD SHANK STYLESTUD SHANK
EXTENSION LENGTH0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A-581/582/320 ASSN STD 1ST MATERIAL RESPONSE OVERALL
DIAMETER0.560 INCHES NOMINAL IN
STUD HEAD HEIGHT0.560 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEKNURLED
STUD SHANK MAJOR DIAMETER0.2470 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
END ITEM IDENTIFICATIONAIRCRAFT,B-2 BOMBER (ATB)
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
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
Ready to buy CA18333-2?
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 CA18333-2?
CA18333-2 is a STUD,TURNLOCK FASTENER.
What is the NSN for CA18333-2?
CA18333-2 is cataloged in the U.S. Government catalog under NSN 5325-01-491-2619. 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 — CA18333-2

✓ 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.