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HS4496-1 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HS4496-1: 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 CORROSION RESISTING OVERALL, grip_length: 0.156 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, extension_length: 0.190 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, end_item_identification: APACHE ATTACK HELICOPTER. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-506-4908, 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
HS4496-1
NSN: 5325-01-506-4908
FSC: 5325 — Fastening Devices
CAGE: 8V613 — THE BOEING COMPANY (USA)
SPECIFICATIONS
diameter0.390 INCHES MINIMUM AND 0.399 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING OVERALL
grip_length0.156 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
extension_length0.190 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
end_item_identificationAPACHE ATTACK HELICOPTER
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_classificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
stud_thread_size_and_series/type_designator8-32 UNIFIED NATIONAL COARSE (UNC)
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-506-4908
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HS4496-1 · 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
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
EXTENSION LENGTH: 0.190 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 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
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TURNLOCK STUD SHANK STYLESTUD SHANK
EXTENSION LENGTH0.190 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 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 TREATMENTPASSIVATE OVERALL
END ITEM IDENTIFICATIONAPACHE ATTACK HELICOPTER
MATERIALSTEEL CORROSION RESISTING 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 HS4496-1?
HS4496-1 is a STUD,TURNLOCK FASTENER.
What is the NSN for HS4496-1?
HS4496-1 is cataloged in the U.S. Government catalog under NSN 5325-01-506-4908. 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.