PartsTable
Technical Data Sheet
PartsTable / COMPONENT / LS15263-3-34
LS15263-3-34 ✓ 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 SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, thread_length: 2.031 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN, screw_material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-331-3667, 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
LS15263-3-34
NSN: 5305-00-331-3667
FSC: 5305
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
thread_length2.031 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
screw_materialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740
fastener_length1.969 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
minimum_tensile_strength160000 POUNDS PER SQUARE INCH LBS
NSN5305-00-331-3667
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LS15263-3-34 · 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
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES
•
THREAD LENGTH: 2.031 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.969 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES
THREAD LENGTH2.031 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
FASTENER LENGTH1.969 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN
HEAD HEIGHT0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
THREAD QUANTITY PER INCH32
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
HEAD STYLEFLAT CHAMFER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
357-8416-00Interchangeable
interchangeable cross-reference
interchangeable
SL14399Interchangeable
interchangeable cross-reference
interchangeable
AN3420-20AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy LS15263-3-34?
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 LS15263-3-34?
LS15263-3-34 is a SCREW,MACHINE.
What parts can replace LS15263-3-34?
There are 3 known substitutes for LS15263-3-34: 357-8416-00, SL14399, AN3420-20A. Substitute compatibility should be verified for your specific system.
What is the NSN for LS15263-3-34?
LS15263-3-34 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-331-3667. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — LS15263-3-34

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026