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8724398 — BOLT,RIBBED NECK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8724398: BOLT,RIBBED NECK.

The BOLT,RIBBED NECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5140 OVERALL, head_style: DEE, rib_length: 0.250 INCHES NOMINAL IN, head_height: 0.375 INCHES NOMINAL IN, rib_quantity: 40, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-699-6130, 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
8724398
NSN: 5306-00-699-6130
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 5140 OVERALL
head_styleDEE
rib_length0.250 INCHES NOMINAL IN
head_height0.375 INCHES NOMINAL IN
rib_quantity40
thread_class2A A
head_diameter1.187 INCHES NOMINAL IN
thread_length1.250 INCHES NOMINAL IN
fastener_length2.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
rib_major_diameter0.912 INCHES NOMINAL IN
rib_minor_diameter0.876 INCHES NOMINAL IN
NSN5306-00-699-6130
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8724398 · 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: 0.375 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.250 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED-STD66,AISI FED STD ALL MATERIAL RESPONSES OVERALL
•
RIB LENGTH: 0.250 INCHES NOMINAL IN
•
RIB MINOR DIAMETER: 0.876 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.375 INCHES NOMINAL IN
FASTENER LENGTH2.250 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.438 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD66,AISI FED STD ALL MATERIAL RESPONSES OVERALL
RIB LENGTH0.250 INCHES NOMINAL IN
RIB MINOR DIAMETER0.876 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.875 INCHES IN
HEAD STYLEDEE
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
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 8724398?
8724398 is a BOLT,RIBBED NECK.
What is the NSN for 8724398?
8724398 is cataloged in the U.S. Government catalog under NSN 5306-00-699-6130. 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.