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FIT3019-9 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FIT3019-9: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.390 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN, material: STEEL COMP 8740 OVERALL, drive_type: CROSS RECESS, grip_length: 0.907 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, extension_length: 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-017-2513, 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
FIT3019-9
NSN: 5325-01-017-2513
FSC: 5325 — Fastening Devices
CAGE: 58998 — FASTENER INNOVATION TECHNOLOGY, INC. DBA F I T (USA)
SPECIFICATIONS
diameter0.390 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
materialSTEEL COMP 8740 OVERALL
drive_typeCROSS RECESS
grip_length0.907 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
extension_length0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFLAT COUNTERSUNK
stud_shank_major_diameter0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_document_and_classificationAMS 6322 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
stud_thread_size_and_series/type_designator0.164-32 UNIFIED NATIONAL COARSE (UNC)
surface_treatment_document_and_classificationQQ-P-416 TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-017-2513
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FIT3019-9 · 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-416 TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DRIVE TYPE: CROSS RECESS
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
EXTENSION LENGTH: 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.390 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FLAT COUNTERSUNK
•
STUD SHANK MAJOR DIAMETER: 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPECROSS RECESS
TURNLOCK STUD SHANK STYLESTUD SHANK
EXTENSION LENGTH0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.390 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
STUD SHANK MAJOR DIAMETER0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 8740 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FIT3019-9?
FIT3019-9 is a STUD,TURNLOCK FASTENER.
What is the NSN for FIT3019-9?
FIT3019-9 is cataloged in the U.S. Government catalog under NSN 5325-01-017-2513. 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.