PartsTable
Technical Data Sheet
Download PDF

301553 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

301553: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include shank_length: 1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN, overall_length: 4.380 INCHES MINIMUM AND 4.400 INCHES MAXIMUM IN, style_designator: ROUND, CLOSED W/SHOULDER, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-776-7720, 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
301553
NSN: 5306-00-776-7720
FSC: 5306 — Bolts
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
shank_length1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
thread_class2A A
thread_length1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
overall_length4.380 INCHES MINIMUM AND 4.400 INCHES MAXIMUM IN
style_designatorROUND, CLOSED W/SHOULDER
thread_directionRIGHT-HAND
eye_outside_width2.802 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN
shoulder_diameter1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
eye_stock_diameter0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
shoulder_thickness0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
eye_inside_diameter1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
NSN5306-00-776-7720
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 301553 · 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: 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 3 ORZINC,00-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
•
SHANK LENGTH: 1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND, CLOSED W/SHOULDER
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 3 ORZINC,00-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
SHANK LENGTH1.110 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
STYLE DESIGNATORROUND, CLOSED W/SHOULDER
OVERALL LENGTH4.380 INCHES MINIMUM AND 4.400 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM CENTER OF EYE TO SHANK END2.746 INCHES MINIMUM AND 2.815 INCHES MAXIMUM IN
SHOULDER DIAMETER1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 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 1
7767720Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 301553?
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 301553?
301553 is a BOLT,EYE.
What parts can replace 301553?
There is 1 known substitute for 301553: 7767720. Substitute compatibility should be verified for your specific system.
What is the NSN for 301553?
301553 is cataloged in the U.S. Government catalog under NSN 5306-00-776-7720. 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 — 301553

✓ 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.