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50-005A8 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

50-005A8: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.562 INCHES NOMINAL IN, grip_length: 0.210 INCHES NOMINAL IN, turnlock_stud_head_style: FILLISTER, turnlock_stud_shank_style: STUD SHANK, material_accommodated_thickness: 0.071 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-484-4923, 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
50-005A8
NSN: 5325-01-484-4923
NIINs: 014844923, 016214360
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
diameter0.562 INCHES NOMINAL IN
grip_length0.210 INCHES NOMINAL IN
turnlock_stud_head_styleFILLISTER
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.071 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
NSN5325-01-484-4923
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 50-005A8 · 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 1, CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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DRIVE TYPE: SLOTTED
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MATERIAL ACCOMMODATED THICKNESS: 0.021 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
DIAMETER: 0.563 INCHES NOMINAL IN
•
SHANK NECK LENGTH: 0.170 INCHES NOMINAL IN
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SECURING DEVICE TYPE: RING
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TURNLOCK STUD HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 1, CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPESLOTTED
MATERIAL ACCOMMODATED THICKNESS0.021 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
DIAMETER0.563 INCHES NOMINAL IN
SHANK NECK LENGTH0.170 INCHES NOMINAL IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLEFILLISTER
STUD SHANK MAJOR DIAMETER0.311 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
A5T8DCBYReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 50-005A8?
50-005A8 is a STUD,TURNLOCK FASTENER.
What parts can replace 50-005A8?
There is 1 known substitute for 50-005A8: A5T8DCBY. Substitute compatibility should be verified for your specific system.
What is the NSN for 50-005A8?
50-005A8 is cataloged in the U.S. Government catalog under NSN 5325-01-484-4923. 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.