PartsTable
Technical Data Sheet
Download PDF

KC8779 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

KC8779: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, thread_length: 0.335 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 430 OR STEEL COMP 303. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-737-5694, 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
KC8779
NSN: 5305-00-737-5694
FSC: 5305 — Screws
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
head_styleROUND
head_height0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
thread_length0.335 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 430 OR STEEL COMP 303
fastener_length0.953 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
end_item_identificationA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch24
NSN5305-00-737-5694
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: KC8779 · 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 HEIGHT: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.953 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.335 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 430 OR STEEL COMP 303
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
FASTENER LENGTH0.953 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
THREAD LENGTH0.335 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 430 OR STEEL COMP 303
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
END ITEM IDENTIFICATIONA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
SUBSTITUTES & CROSS-REFERENCES 6
5940365Reference document
Same NSN cross-reference
Reference document — Secondary reference
5936189Reference document
Same NSN cross-reference
Reference document — Secondary reference
7320641Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10511544Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10398853Reference document
Same NSN cross-reference
Reference document — Informative reference only
7375694Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy KC8779?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is KC8779?
KC8779 is a SCREW,MACHINE.
What parts can replace KC8779?
There are 6 known substitutes for KC8779: 5940365, 5936189, 7320641 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KC8779?
KC8779 is cataloged in the U.S. Government catalog under NSN 5305-00-737-5694. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — KC8779

✓ 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.