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Technical Data Sheet
PartsTable / COMPONENT / 3408-8-34
3408-8-34 ✓ 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,SHEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN, head_height: 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.4985 INCHES MINIMUM AND 0.4995 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 5306-01-342-9041, 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
3408-8-34
NSN: 5306-01-342-9041
FSC: 5306
CAGE: 92215 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN
head_height0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN
thread_length0.908 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length3.033 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter0.547 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
NSN5306-01-342-9041
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3408-8-34 · 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: 0.908 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
GRIP LENGTH: 2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE FINISH: 32.0 MICROINCHES GRIP
•
MATERIAL: NICKEL ALLOY 718 OVERALL
•
EXTENDED WASHER DIAMETER: 0.922 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.908 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
GRIP LENGTH2.115 INCHES MINIMUM AND 2.135 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
MATERIALNICKEL ALLOY 718 OVERALL
EXTENDED WASHER DIAMETER0.922 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
GRIP DIAMETER0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
87834Interchangeable
interchangeable cross-reference
interchangeable
J501Interchangeable
interchangeable cross-reference
interchangeable
RR1-68CPS3300TInterchangeable
interchangeable cross-reference
interchangeable
H43695Interchangeable
interchangeable cross-reference
interchangeable
IR-16873Interchangeable
interchangeable cross-reference
interchangeable
46489Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3408-8-34?
3408-8-34 is a BOLT,SHEAR.
What parts can replace 3408-8-34?
There are 9 known substitutes for 3408-8-34: 87834, J501, RR1-68CPS3300T and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3408-8-34?
3408-8-34 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-342-9041. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026