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4373409 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4373409: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_diameter: 10.0 MILLIMETERS NOMINAL MM, thread_length: 12.0 MILLIMETERS NOMINAL MM, fastener_length: 12.0 MILLIMETERS NOMINAL MM, special_features: OVERALL LENGTH 18.0 MILLIMETERS MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-678-6029, 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
4373409
NSN: 5305-01-678-6029
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_diameter10.0 MILLIMETERS NOMINAL MM
thread_length12.0 MILLIMETERS NOMINAL MM
fastener_length12.0 MILLIMETERS NOMINAL MM
special_featuresOVERALL LENGTH 18.0 MILLIMETERS MM
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
width_between_flats5.0 MILLIMETERS NOMINAL MM
end_item_identificationNSN 2320-016525208
nominal_thread_diameter6.0 MILLIMETERS MM
thread_series_designatorM
NSN5305-01-678-6029
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4373409 · 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
•
FASTENER LENGTH: 12.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.00
•
THREAD LENGTH: 12.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 6.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 5.0 MILLIMETERS NOMINAL MM
•
COLOR: BLACK OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH12.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.00
THREAD LENGTH12.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER6.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS5.0 MILLIMETERS NOMINAL MM
COLORBLACK OVERALL
SPECIAL FEATURESOVERALL LENGTH 18.0 MILLIMETERS MM
SURFACE TREATMENTOXIDE OVERALL
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4373409?
4373409 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 4373409?
4373409 is cataloged in the U.S. Government catalog under NSN 5305-01-678-6029. 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.