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4000-0393 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4000-0393: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, thread_class: 2A A, surface_treatment: ZINC OVERALL, part_name_assigned_by_controlling_agency: SCREW, HEX HEAD CAP. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-718-8941, 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
4000-0393
NSN: 5305-01-718-8941
FSC: 5305 — Screws
CAGE: 3BNF6 — CINCINNATI GEARING SYSTEMS INC (USA)
SPECIFICATIONS
head_styleHEXAGON
thread_class2A A
surface_treatmentZINC OVERALL
part_name_assigned_by_controlling_agencySCREW, HEX HEAD CAP
NSN5305-01-718-8941
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4000-0393 · 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 STYLE: HEXAGON
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
HEAD STYLEHEXAGON
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, HEX HEAD CAP
THREAD CLASS2A A
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 4000-0393?
4000-0393 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 4000-0393?
4000-0393 is cataloged in the U.S. Government catalog under NSN 5305-01-718-8941. This indicates validated use in U.S. government and defense supply chains.
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