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4358417 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4358417: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, head_height: 0.234 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.844 INCHES MAXIMUM IN, thread_length: 1.00 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-680-2447, 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
4358417
NSN: 5305-01-680-2447
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
head_height0.234 INCHES NOMINAL IN
thread_class2A A
head_diameter0.844 INCHES MAXIMUM IN
thread_length1.00 INCHES MINIMUM IN
fastener_length1.25 INCHES NOMINAL IN
hardness_rating44.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
countersink_angle84.0 DEGREES NOMINAL
width_across_flats0.25 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-01-680-2447
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4358417 · 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: 0.25 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.234 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.25 INCHES NOMINAL IN
•
THREAD LENGTH: 1.00 INCHES MINIMUM IN
•
HARDNESS RATING: 44.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.44 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.25 INCHES NOMINAL IN
HEAD HEIGHT0.234 INCHES NOMINAL IN
FASTENER LENGTH1.25 INCHES NOMINAL IN
THREAD LENGTH1.00 INCHES MINIMUM IN
HARDNESS RATING44.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.44 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH17 POUNDS PER SQUARE INCH LBS
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 4358417?
4358417 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 4358417?
4358417 is cataloged in the U.S. Government catalog under NSN 5305-01-680-2447. 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.