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Technical Data Sheet
PartsTable / COMPONENT / 1X2508
1X2508 ✓ 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,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND, head_height: 0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN, thread_length: 0.625 INCHES MINIMUM AND 0.750 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 5305-01-219-8885, 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
1X2508
NSN: 5305-01-219-8885
FSC: 5305
CAGE: 2Y614 — LINK-BELT CRANES, L.P., LLLP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleROUND
head_height0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
thread_length0.625 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.219 INCHES MINIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
NSN5305-01-219-8885
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1X2508 · 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
•
HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD STYLE: ROUND
•
THREAD CLASS: 3A A
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH ACROSS FLATS: 0.219 INCHES MINIMUM IN
•
HEAD DIAMETER: 0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
INTERNAL DRIVE STYLEHEXAGON
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD STYLEROUND
THREAD CLASS3A A
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.219 INCHES MINIMUM IN
HEAD DIAMETER0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH16
THREAD LENGTH0.625 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
43561Interchangeable
interchangeable cross-reference
interchangeable
64068-1Interchangeable
interchangeable cross-reference
interchangeable
64068Interchangeable
interchangeable cross-reference
interchangeable
625-1586863Interchangeable
interchangeable cross-reference
interchangeable
5340013842016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1X2508?
1X2508 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 1X2508?
There are 5 known substitutes for 1X2508: 43561, 64068-1, 64068 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1X2508?
1X2508 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-219-8885. 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