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PartsTable / COMPONENT / GB510AE3-3
GB510AE3-3 ✓ 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 SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.350 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-083-3365, 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
GB510AE3-3
NSN: 5305-00-083-3365
FSC: 5305
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter0.350 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
thread_length0.313 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length0.511 INCHES MINIMUM AND 0.558 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN5305-00-083-3365
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GB510AE3-3 · 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
•
THREAD LENGTH: 0.313 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
FASTENER LENGTH: 0.511 INCHES MINIMUM AND 0.558 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
INTERNAL DRIVE STYLE: HIGH-TORQUE
•
GRIP DIAMETER: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
•
GRIP LENGTH: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.313 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
FASTENER LENGTH0.511 INCHES MINIMUM AND 0.558 INCHES MAXIMUM IN
THREAD CLASS3A A
NOMINAL THREAD DIAMETER0.190 INCHES IN
INTERNAL DRIVE STYLEHIGH-TORQUE
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
GRIP LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEFLAT COUNTERSUNK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
F1407-4BInterchangeable
interchangeable cross-reference
interchangeable
8902-32-1Interchangeable
interchangeable cross-reference
interchangeable
14633Interchangeable
interchangeable cross-reference
interchangeable
BM19051-3-3Interchangeable
Same NIIN cross-reference
interchangeable
HT8138-3-3Interchangeable
Same NIIN cross-reference
interchangeable
A146-3-3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GB510AE3-3?
GB510AE3-3 is a SCREW,CLOSE TOLERANCE.
What parts can replace GB510AE3-3?
There are 6 known substitutes for GB510AE3-3: F1407-4B, 8902-32-1, 14633 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GB510AE3-3?
GB510AE3-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-083-3365. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026