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CA1886-1B — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA1886-1B: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 OR STEEL COMP 303SE OVERALL, grip_length: 0.247 INCHES NOMINAL IN, head_length: 0.940 INCHES NOMINAL IN, extension_length: 0.190 INCHES NOMINAL IN, stud_head_height: 0.625 INCHES NOMINAL IN, surface_treatment: OXIDE FILM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-498-0880, 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
CA1886-1B
NSN: 5325-00-498-0880
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 OR STEEL COMP 303SE OVERALL
grip_length0.247 INCHES NOMINAL IN
head_length0.940 INCHES NOMINAL IN
extension_length0.190 INCHES NOMINAL IN
stud_head_height0.625 INCHES NOMINAL IN
surface_treatmentOXIDE FILM OVERALL
securing_device_typeRING
turnlock_stud_head_styleFILLISTER WING
stud_shank_major_diameter0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.157 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
material_document_and_classificationCOMP 303S OR 303SE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-498-0880
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA1886-1B · 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 LENGTH: 0.940 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.157 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
EXTENSION LENGTH: 0.190 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: COMP 303S OR 303SE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STUD HEAD HEIGHT: 0.625 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: RING
•
TURNLOCK STUD HEAD STYLE: FILLISTER WING
TECHNICAL CHARACTERISTICS
HEAD LENGTH0.940 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.157 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
EXTENSION LENGTH0.190 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONCOMP 303S OR 303SE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STUD HEAD HEIGHT0.625 INCHES NOMINAL IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLEFILLISTER WING
STUD SHANK MAJOR DIAMETER0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
SURFACE TREATMENTOXIDE FILM 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CA1886-1B?
CA1886-1B is a STUD,TURNLOCK FASTENER.
What is the NSN for CA1886-1B?
CA1886-1B is cataloged in the U.S. Government catalog under NSN 5325-00-498-0880. 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.