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FJ4-45 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FJ4-45: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN, material: STEEL STUD, drive_type: SLOTTED, grip_length: 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN, shank_neck_length: 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, surface_treatment: CADMIUM STUD. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-282-8135, 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
FJ4-45
NSN: 5325-00-282-8135
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
diameter0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
materialSTEEL STUD
drive_typeSLOTTED
grip_length0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
shank_neck_length0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
surface_treatmentCADMIUM STUD
turnlock_stud_head_styleFLAT COUNTERSUNK
stud_shank_major_diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.265 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
NSN5325-00-282-8135
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FJ4-45 · 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
•
MATERIAL ACCOMMODATED THICKNESS: 0.265 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
DIAMETER: 0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
•
SHANK NECK LENGTH: 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FLAT COUNTERSUNK
•
STUD SHANK MAJOR DIAMETER: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM STUD
TECHNICAL CHARACTERISTICS
DRIVE TYPESLOTTED
MATERIAL ACCOMMODATED THICKNESS0.265 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
DIAMETER0.437 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
SHANK NECK LENGTH0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
STUD SHANK MAJOR DIAMETER0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM STUD
MATERIALSTEEL STUD
GRIP LENGTH0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
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 FJ4-45?
FJ4-45 is a STUD,TURNLOCK FASTENER.
What is the NSN for FJ4-45?
FJ4-45 is cataloged in the U.S. Government catalog under NSN 5325-00-282-8135. 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.