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8L-4509 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8L-4509: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON, head_height: 0.24 INCHES NOMINAL IN, thread_length: 0.9375 INCHES NOMINAL IN, fastener_length: 0.19 INCHES NOMINAL IN, end_item_identification: SALT WATER HEAT EXCHANGER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-706-5522, 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
8L-4509
NSN: 5306-01-706-5522
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON
head_height0.24 INCHES NOMINAL IN
thread_length0.9375 INCHES NOMINAL IN
fastener_length0.19 INCHES NOMINAL IN
end_item_identificationSALT WATER HEAT EXCHANGER
part_name_assigned_by_controlling_agencyBOLT
NSN5306-01-706-5522
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8L-4509 · 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: 0.24 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.19 INCHES NOMINAL IN
•
THREAD LENGTH: 0.9375 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.24 INCHES NOMINAL IN
FASTENER LENGTH0.19 INCHES NOMINAL IN
THREAD LENGTH0.9375 INCHES NOMINAL IN
HEAD STYLEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT
END ITEM IDENTIFICATIONSALT WATER HEAT EXCHANGER
MATERIALSTEEL CORROSION RESISTING OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
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 8L-4509?
8L-4509 is a BOLT,MACHINE.
What is the NSN for 8L-4509?
8L-4509 is cataloged in the U.S. Government catalog under NSN 5306-01-706-5522. 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.