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CA18051-3 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA18051-3: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 316 OVERALL, grip_length: 0.625 INCHES NOMINAL IN, head_length: 1.000 INCHES NOMINAL IN, stud_head_height: 0.630 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, securing_device_type: RING. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-421-9957, 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
CA18051-3
NSN: 5325-00-421-9957
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 316 OVERALL
grip_length0.625 INCHES NOMINAL IN
head_length1.000 INCHES NOMINAL IN
stud_head_height0.630 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
securing_device_typeRING
turnlock_stud_head_styleSTUD HEAD
stud_shank_major_diameter0.248 INCHES NOMINAL IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.344 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
stud_thread_size_and_series/type_designator0.164-32 UNIFIED NATIONAL COARSE (UNC)
NSN5325-00-421-9957
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA18051-3 · 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 SINGLE TREATMENT RESPONSE OVERALL
•
HEAD LENGTH: 1.000 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.344 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STUD HEAD HEIGHT: 0.630 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: RING
•
TURNLOCK STUD HEAD STYLE: STUD HEAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD LENGTH1.000 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.344 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STUD HEAD HEIGHT0.630 INCHES NOMINAL IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLESTUD HEAD
STUD SHANK MAJOR DIAMETER0.248 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CA18051-3?
CA18051-3 is a STUD,TURNLOCK FASTENER.
What is the NSN for CA18051-3?
CA18051-3 is cataloged in the U.S. Government catalog under NSN 5325-00-421-9957. 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.