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6066K14 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6066K14: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, thread_class: 2A A, thread_length: 1.250 INCHES NOMINAL IN, style_designator: ROUND, CLOSED, thread_direction: RIGHT-HAND, surface_treatment: OXIDE LOCKING FEATURE. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-511-3291, 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
6066K14
NSN: 5306-01-511-3291
FSC: 5306 — Bolts
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
thread_class2A A
thread_length1.250 INCHES NOMINAL IN
style_designatorROUND, CLOSED
thread_directionRIGHT-HAND
surface_treatmentOXIDE LOCKING FEATURE
eye_stock_diameter0.438 INCHES NOMINAL IN
eye_inside_diameter0.375 INCHES NOMINAL IN
end_item_identificationHEAVYWEIGHT T
nominal_thread_diameter0.375 INCHES IN
minimum_tensile_strength75000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch16
NSN5306-01-511-3291
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6066K14 · 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
•
EYE STOCK DIAMETER: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, CLOSED
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
DISTANCE FROM CENTER OF EYE TO SHANK END: 3.000 INCHES NOMINAL IN
•
COLOR: BLACK LOCKING FEATURE
•
SURFACE TREATMENT: OXIDE LOCKING FEATURE
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.438 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES NOMINAL IN
STYLE DESIGNATORROUND, CLOSED
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM CENTER OF EYE TO SHANK END3.000 INCHES NOMINAL IN
COLORBLACK LOCKING FEATURE
SURFACE TREATMENTOXIDE LOCKING FEATURE
MINIMUM TENSILE STRENGTH75000 POUNDS PER SQUARE INCH LBS
EYE INSIDE DIAMETER0.375 INCHES NOMINAL IN
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6066K14?
6066K14 is a BOLT,EYE.
What is the NSN for 6066K14?
6066K14 is cataloged in the U.S. Government catalog under NSN 5306-01-511-3291. 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.