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4187584 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4187584: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 8.8 OVERALL, head_style: FLAT CHAMFER, head_height: 4.82 MILLIMETERS NOMINAL MM, thread_class: 6G G, head_diameter: 8.28 MILLIMETERS MINIMUM AND 8.72 MILLIMETERS MAXIMUM MM, thread_length: 22.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-657-4350, 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
4187584
NSN: 5305-01-657-4350
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 8.8 OVERALL
head_styleFLAT CHAMFER
head_height4.82 MILLIMETERS NOMINAL MM
thread_class6G G
head_diameter8.28 MILLIMETERS MINIMUM AND 8.72 MILLIMETERS MAXIMUM MM
thread_length22.0 MILLIMETERS NOMINAL MM
fastener_length45.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats4.020 MILLIMETERS MINIMUM AND 4.095 MILLIMETERS MAXIMUM MM
internal_drive_styleHEXAGON
end_item_identificationMRAP - M-ATV
NSN5305-01-657-4350
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4187584 · 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
•
WIDTH ACROSS FLATS: 4.020 MILLIMETERS MINIMUM AND 4.095 MILLIMETERS MAXIMUM MM
•
HEAD HEIGHT: 4.82 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 45.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.8
•
THREAD LENGTH: 22.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 5.0 MILLIMETERS MM
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS4.020 MILLIMETERS MINIMUM AND 4.095 MILLIMETERS MAXIMUM MM
HEAD HEIGHT4.82 MILLIMETERS NOMINAL MM
FASTENER LENGTH45.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.8
THREAD LENGTH22.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER5.0 MILLIMETERS MM
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTZINC OVERALL
INTERNAL DRIVE STYLEHEXAGON
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 4187584?
4187584 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 4187584?
4187584 is cataloged in the U.S. Government catalog under NSN 5305-01-657-4350. This indicates validated use in U.S. government and defense supply chains.
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