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Technical Data Sheet
PartsTable / COMPONENT / 1201-635-Z3C
1201-635-Z3C ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.625 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: SLOTTED, grip_length: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN, shank_neck_length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-449-3170, 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
1201-635-Z3C
NSN: 5325-00-449-3170
FSC: 5325
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
diameter0.625 INCHES NOMINAL IN
materialSTEEL OVERALL
drive_typeSLOTTED
grip_length0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
shank_neck_length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFILLISTER
stud_shank_major_diameter0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
NSN5325-00-449-3170
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1201-635-Z3C · 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
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
MATERIAL: STEEL OVERALL
•
GRIP LENGTH: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
DRIVE TYPE: SLOTTED
•
MATERIAL ACCOMMODATED THICKNESS: 0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
•
STUD SHANK MAJOR DIAMETER: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
TURNLOCK STUD HEAD STYLEFILLISTER
MATERIALSTEEL OVERALL
GRIP LENGTH0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
DRIVE TYPESLOTTED
MATERIAL ACCOMMODATED THICKNESS0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
STUD SHANK MAJOR DIAMETER0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
DIAMETER0.625 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
SHANK NECK LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
90-0215827Interchangeable
interchangeable cross-reference
interchangeable
201-22Interchangeable
interchangeable cross-reference
interchangeable
022256Interchangeable
interchangeable cross-reference
interchangeable
502282Interchangeable
interchangeable cross-reference
interchangeable
GPW3506Interchangeable
interchangeable cross-reference
interchangeable
BG502052Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1201-635-Z3C?
1201-635-Z3C is a STUD,TURNLOCK FASTENER.
What parts can replace 1201-635-Z3C?
There are 9 known substitutes for 1201-635-Z3C: 90-0215827, 201-22, 022256 and 6 more. Substitute compatibility should be verified for your specific system.
Is 1201-635-Z3C still available?
1201-635-Z3C is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026