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349668 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

349668: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, head_height: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, thread_length: 0.529 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-338-5045, 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
349668
NSN: 5306-00-338-5045
NIINs: 003385045, 012971194
FSC: 5306 — Bolts
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
head_height0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
thread_length0.529 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
fastener_length0.852 INCHES MINIMUM AND 0.882 INCHES MAXIMUM IN
extended_washer_diameter0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
NSN5306-00-338-5045
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 349668 · 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: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.852 INCHES MINIMUM AND 0.882 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.529 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
•
HEAD STYLE: DOUBLE HEXAGON EXTENDED WASHER
•
GRIP LENGTH: 0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
•
GRIP DIAMETER: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
FASTENER LENGTH0.852 INCHES MINIMUM AND 0.882 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
THREAD LENGTH0.529 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
GRIP LENGTH0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
THREAD CLASS3A A
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 349668?
349668 is a BOLT,CLOSE TOLERANCE.
What is the NSN for 349668?
349668 is cataloged in the U.S. Government catalog under NSN 5306-00-338-5045. This indicates validated use in U.S. government and defense supply chains.
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