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Technical Data Sheet
PartsTable / COMPONENT / 1201-550-Z3C
1201-550-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: 0.562 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: SLOTTED, grip_length: 0.800 INCHES NOMINAL IN, shank_neck_length: 0.610 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-449-3165, 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
1201-550-Z3C
NSN: 5325-00-449-3165
FSC: 5325
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
diameter0.562 INCHES NOMINAL IN
materialSTEEL OVERALL
drive_typeSLOTTED
grip_length0.800 INCHES NOMINAL IN
shank_neck_length0.610 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFILLISTER
stud_shank_major_diameter0.312 INCHES NOMINAL IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NSN5325-00-449-3165
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1201-550-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
•
DRIVE TYPE: SLOTTED
•
STUD SHANK MAJOR DIAMETER: 0.312 INCHES NOMINAL IN
•
GRIP LENGTH: 0.800 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
DIAMETER: 0.562 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
MATERIAL: STEEL OVERALL
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE TYPESLOTTED
STUD SHANK MAJOR DIAMETER0.312 INCHES NOMINAL IN
GRIP LENGTH0.800 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
DIAMETER0.562 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEFILLISTER
MATERIALSTEEL OVERALL
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL ACCOMMODATED THICKNESS0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SHANK NECK LENGTH0.610 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
4337Interchangeable
interchangeable cross-reference
interchangeable
6107385Interchangeable
interchangeable cross-reference
interchangeable
V1083Interchangeable
interchangeable cross-reference
interchangeable
A550Interchangeable
interchangeable cross-reference
interchangeable
10085-1236Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1201-550-Z3C?
1201-550-Z3C is a STUD,TURNLOCK FASTENER.
What parts can replace 1201-550-Z3C?
There are 5 known substitutes for 1201-550-Z3C: 4337, 6107385, V1083 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1201-550-Z3C?
1201-550-Z3C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-449-3165. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026