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121J-W335-Z3B — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

121J-W335-Z3B: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, grip_length: 8.8 MILLIMETERS NOMINAL MM, head_length: 16.0 MILLIMETERS NOMINAL MM, minor_diameter: 3.8 MILLIMETERS NOMINAL MM, stud_head_height: 6.3 MILLIMETERS NOMINAL MM, minor_diameter_length: 4.4 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-578-4089, 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
121J-W335-Z3B
NSN: 5325-01-578-4089
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
grip_length8.8 MILLIMETERS NOMINAL MM
head_length16.0 MILLIMETERS NOMINAL MM
minor_diameter3.8 MILLIMETERS NOMINAL MM
stud_head_height6.3 MILLIMETERS NOMINAL MM
minor_diameter_length4.4 MILLIMETERS NOMINAL MM
turnlock_stud_head_styleFILLISTER WING
stud_shank_major_diameter4.7 MILLIMETERS NOMINAL MM
turnlock_stud_shank_styleSTUD SHANK
part_name_assigned_by_controlling_agencySTUD AND WING
NSN5325-01-578-4089
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 121J-W335-Z3B · 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
•
HEAD LENGTH: 16.0 MILLIMETERS NOMINAL MM
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
STUD HEAD HEIGHT: 6.3 MILLIMETERS NOMINAL MM
•
TURNLOCK STUD HEAD STYLE: FILLISTER WING
•
STUD SHANK MAJOR DIAMETER: 4.7 MILLIMETERS NOMINAL MM
•
MINOR DIAMETER LENGTH: 4.4 MILLIMETERS NOMINAL MM
•
MINOR DIAMETER: 3.8 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
HEAD LENGTH16.0 MILLIMETERS NOMINAL MM
TURNLOCK STUD SHANK STYLESTUD SHANK
STUD HEAD HEIGHT6.3 MILLIMETERS NOMINAL MM
TURNLOCK STUD HEAD STYLEFILLISTER WING
STUD SHANK MAJOR DIAMETER4.7 MILLIMETERS NOMINAL MM
MINOR DIAMETER LENGTH4.4 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUD AND WING
MINOR DIAMETER3.8 MILLIMETERS NOMINAL MM
MATERIALSTEEL COMP 303 OVERALL
GRIP LENGTH8.8 MILLIMETERS NOMINAL MM
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 121J-W335-Z3B?
121J-W335-Z3B is a STUD,TURNLOCK FASTENER.
What is the NSN for 121J-W335-Z3B?
121J-W335-Z3B is cataloged in the U.S. Government catalog under NSN 5325-01-578-4089. This indicates validated use in U.S. government and defense supply chains.
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