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640-7102 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

640-7102: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, shank_length: 0.625 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.326 INCHES NOMINAL IN, style_designator: ROUND, CLOSED, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-373-2595, 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
640-7102
NSN: 5306-01-373-2595
FSC: 5306 — Bolts
CAGE: 6K083 — VALLEY BOLT CO (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
shank_length0.625 INCHES NOMINAL IN
thread_class2A A
thread_length1.326 INCHES NOMINAL IN
style_designatorROUND, CLOSED
thread_directionRIGHT-HAND
eye_stock_diameter0.312 INCHES NOMINAL IN
eye_inside_diameter0.625 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-01-373-2595
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 640-7102 · 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: 0.312 INCHES NOMINAL IN
•
THREAD LENGTH: 1.326 INCHES NOMINAL IN
•
SHANK LENGTH: 0.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, CLOSED
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
EYE INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.312 INCHES NOMINAL IN
THREAD LENGTH1.326 INCHES NOMINAL IN
SHANK LENGTH0.625 INCHES NOMINAL IN
STYLE DESIGNATORROUND, CLOSED
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD DIRECTIONRIGHT-HAND
EYE INSIDE DIAMETER0.625 INCHES NOMINAL IN
THREAD CLASS2A A
THREAD QUANTITY PER INCH18
MATERIALSTEEL COMP 304 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 640-7102?
640-7102 is a BOLT,EYE.
What is the NSN for 640-7102?
640-7102 is cataloged in the U.S. Government catalog under NSN 5306-01-373-2595. 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.