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SPEC 1 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SPEC 1: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 20.000 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 18.500 INCHES MINIMUM IN, overall_length: 23.250 INCHES NOMINAL IN, special_features: W/THREE SQ NUTS. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-292-3701, 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
SPEC 1
NSN: 5306-00-292-3701
FSC: 5306 — Bolts
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length20.000 INCHES NOMINAL IN
thread_class2A A
thread_length18.500 INCHES MINIMUM IN
overall_length23.250 INCHES NOMINAL IN
special_featuresW/THREE SQ NUTS
style_designatorOVAL, CLOSED
surface_treatmentZINC OVERALL
eye_stock_diameter0.625 INCHES NOMINAL IN
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch11
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-292-3701
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SPEC 1 · 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: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 18.500 INCHES MINIMUM IN
•
SHANK LENGTH: 20.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: OVAL, CLOSED
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.625 INCHES NOMINAL IN
THREAD LENGTH18.500 INCHES MINIMUM IN
SHANK LENGTH20.000 INCHES NOMINAL IN
STYLE DESIGNATOROVAL, CLOSED
OVERALL LENGTH23.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.625 INCHES IN
SPECIAL FEATURESW/THREE SQ NUTS
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2A A
THREAD QUANTITY PER INCH11
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SPEC 1?
SPEC 1 is a BOLT,EYE.
What is the NSN for SPEC 1?
SPEC 1 is cataloged in the U.S. Government catalog under NSN 5306-00-292-3701. 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.