PartsTable
Technical Data Sheet
Download PDF

4F4403 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4F4403: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 1.781 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.375 INCHES MINIMUM IN, overall_length: 2.469 INCHES NOMINAL IN, style_designator: ROUND, CLOSED. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-377-8745, 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
4F4403
NSN: 5306-00-377-8745
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length1.781 INCHES NOMINAL IN
thread_class3A A
thread_length1.375 INCHES MINIMUM IN
overall_length2.469 INCHES NOMINAL IN
style_designatorROUND, CLOSED
thread_directionRIGHT-HAND
eye_stock_diameter0.437 INCHES NOMINAL IN
eye_inside_diameter0.374 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
NSN5306-00-377-8745
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4F4403 · 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: 0.437 INCHES NOMINAL IN
•
THREAD LENGTH: 1.375 INCHES MINIMUM IN
•
SHANK LENGTH: 1.781 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, CLOSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: FSCM IE42-11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.437 INCHES NOMINAL IN
THREAD LENGTH1.375 INCHES MINIMUM IN
SHANK LENGTH1.781 INCHES NOMINAL IN
STYLE DESIGNATORROUND, CLOSED
MATERIAL DOCUMENT AND CLASSIFICATIONFSCM IE42-11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.469 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM CENTER OF EYE TO SHANK END2.125 INCHES NOMINAL IN
EYE INSIDE DIAMETER0.374 INCHES MINIMUM AND 0.376 INCHES MAXIMUM 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
No demilitarization required
Ready to buy 4F4403?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4F4403?
4F4403 is a BOLT,EYE.
What is the NSN for 4F4403?
4F4403 is cataloged in the U.S. Government catalog under NSN 5306-00-377-8745. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4F4403

✓ 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.