PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 8774520-1
8774520-1 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 1020 OR STEEL COMP 2330 OVERALL, shank_length: 0.625 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.625 INCHES NOMINAL IN, overall_length: 4.562 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-337-4160, 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
8774520-1
NSN: 5306-00-337-4160
FSC: 5306
CAGE: 49671 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 1020 OR STEEL COMP 2330 OVERALL
shank_length0.625 INCHES NOMINAL IN
thread_class2A A
thread_length0.625 INCHES NOMINAL IN
overall_length4.562 INCHES NOMINAL IN
thread_directionRIGHT-HAND
eye_outside_width4.000 INCHES NOMINAL IN
shoulder_diameter1.000 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
eye_stock_diameter0.500 INCHES NOMINAL IN
shoulder_thickness1.125 INCHES NOMINAL IN
eye_inside_diameter3.000 INCHES NOMINAL IN
NSN5306-00-337-4160
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8774520-1 · 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
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
THREAD QUANTITY PER INCH: 16
•
EYE INSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
SHOULDER THICKNESS: 1.125 INCHES NOMINAL IN
•
EYE STOCK DIAMETER: 0.500 INCHES NOMINAL IN
•
SHANK LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD QUANTITY PER INCH16
EYE INSIDE DIAMETER3.000 INCHES NOMINAL IN
SHOULDER THICKNESS1.125 INCHES NOMINAL IN
EYE STOCK DIAMETER0.500 INCHES NOMINAL IN
OVERALL LENGTH4.562 INCHES NOMINAL IN
SHANK LENGTH0.625 INCHES NOMINAL IN
THREAD LENGTH0.625 INCHES NOMINAL IN
EYE OUTSIDE WIDTH4.000 INCHES NOMINAL IN
SHOULDER DIAMETER1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
555-5Upgraded Successor
successor cross-reference
successor
5306PL1062758Upgraded Successor
successor cross-reference
successor
48B7385Upgraded Successor
successor cross-reference
successor
01506Interchangeable
interchangeable cross-reference
interchangeable
10913Interchangeable
interchangeable cross-reference
interchangeable
L10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8774520-1?
8774520-1 is a BOLT,EYE.
What parts can replace 8774520-1?
There are 16 known substitutes for 8774520-1: 555-5, 5306PL1062758, 48B7385 and 13 more. Substitute compatibility should be verified for your specific system.
Is 8774520-1 still available?
8774520-1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026