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CA18021-2 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA18021-2: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.3143 INCHES MINIMUM IN, grip_length: 0.531 INCHES NOMINAL IN, minor_diameter: 0.247 INCHES MINIMUM IN, turnlock_stud_head_style: FLAT COUNTERSUNK, part_name_assigned_by_controlling_agency: STUD-NUT. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-720-6910, 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
CA18021-2
NSN: 5325-01-720-6910
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
diameter0.3143 INCHES MINIMUM IN
grip_length0.531 INCHES NOMINAL IN
minor_diameter0.247 INCHES MINIMUM IN
turnlock_stud_head_styleFLAT COUNTERSUNK
part_name_assigned_by_controlling_agencySTUD-NUT
NSN5325-01-720-6910
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA18021-2 · 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
•
DIAMETER: 0.3143 INCHES MINIMUM IN
•
TURNLOCK STUD HEAD STYLE: FLAT COUNTERSUNK
•
MINOR DIAMETER: 0.247 INCHES MINIMUM IN
•
GRIP LENGTH: 0.531 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DIAMETER0.3143 INCHES MINIMUM IN
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUD-NUT
MINOR DIAMETER0.247 INCHES MINIMUM IN
GRIP LENGTH0.531 INCHES NOMINAL IN
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 CA18021-2?
CA18021-2 is a STUD,TURNLOCK FASTENER.
What is the NSN for CA18021-2?
CA18021-2 is cataloged in the U.S. Government catalog under NSN 5325-01-720-6910. 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.