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Technical Data Sheet
PartsTable / COMPONENT / XD19
XD19 ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include fastener_length: 1.250 INCHES NOMINAL IN, nominal_thread_diameter: 0.312 INCHES IN, thread_quantity_per_inch: 18. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-049-9608, 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
XD19
NSN: 5305-00-049-9608
FSC: 5305
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
fastener_length1.250 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
NSN5305-00-049-9608
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: XD19 · 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 QUANTITY PER INCH: 18
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH18
NOMINAL THREAD DIAMETER0.312 INCHES IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
JH3116Interchangeable
interchangeable cross-reference
interchangeable
PA12Interchangeable
interchangeable cross-reference
interchangeable
12Interchangeable
interchangeable cross-reference
interchangeable
970-28340Interchangeable
interchangeable cross-reference
interchangeable
970-28340 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
970-41705 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is XD19?
XD19 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace XD19?
There are 7 known substitutes for XD19: JH3116, PA12, 12 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for XD19?
XD19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-049-9608. 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