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615396-4 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

615396-4: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.312 INCHES NOMINAL IN, material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL, drive_type: KNURLED OR SLOTTED, grip_length: 0.438 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, extension_length: 0.188 INCHES NOMINAL IN, stud_head_height: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-496-9010, 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
615396-4
NSN: 5325-00-496-9010
FSC: 5325 — Fastening Devices
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
diameter0.312 INCHES NOMINAL IN
materialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
drive_typeKNURLED OR SLOTTED
grip_length0.438 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
extension_length0.188 INCHES NOMINAL IN
stud_head_height0.438 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
securing_device_typeRING
turnlock_stud_head_styleKNURLED
stud_shank_major_diameter0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.438 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
NSN5325-00-496-9010
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 615396-4 · 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: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DRIVE TYPE: KNURLED OR SLOTTED
•
MATERIAL ACCOMMODATED THICKNESS: 0.438 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
EXTENSION LENGTH: 0.188 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: TYPE 303 OR 303SE ASSN STD ALL MATERIAL RESPONSES OR ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
DIAMETER: 0.312 INCHES NOMINAL IN
•
STUD HEAD HEIGHT: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPEKNURLED OR SLOTTED
MATERIAL ACCOMMODATED THICKNESS0.438 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
EXTENSION LENGTH0.188 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONTYPE 303 OR 303SE ASSN STD ALL MATERIAL RESPONSES OR ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
DIAMETER0.312 INCHES NOMINAL IN
STUD HEAD HEIGHT0.438 INCHES NOMINAL IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLEKNURLED
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 3
GS522H4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
721602-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
67891039-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 615396-4?
615396-4 is a STUD,TURNLOCK FASTENER.
What parts can replace 615396-4?
There are 3 known substitutes for 615396-4: GS522H4, 721602-5, 67891039-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 615396-4?
615396-4 is cataloged in the U.S. Government catalog under NSN 5325-00-496-9010. This indicates validated use in U.S. government and defense supply chains.
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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.