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Technical Data Sheet
PartsTable / COMPONENT / SK250-18
SK250-18 ✓ 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 RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1065, ring_style: ANGULAR CAP, usage_design: INTERNAL, inside_diameter: 1.266 INCHES NOMINAL IN, major_thickness: 0.092 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, outside_diameter: 1.516 INCHES NOMINAL 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 5325-00-164-2004, 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
SK250-18
NSN: 5325-00-164-2004
FSC: 5325
CAGE: 12603 — CLARK EQUIPMENT CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1065
ring_styleANGULAR CAP
usage_designINTERNAL
inside_diameter1.266 INCHES NOMINAL IN
major_thickness0.092 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
outside_diameter1.516 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUNDED CORNERS
material_document_and_classificationSAE 1065 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-164-2004
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SK250-18 · 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
•
INSIDE DIAMETER: 1.266 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1065
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
•
OUTSIDE DIAMETER: 1.516 INCHES NOMINAL IN
•
USAGE DESIGN: INTERNAL
•
MAJOR THICKNESS: 0.092 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
MATERIAL HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER1.266 INCHES NOMINAL IN
MATERIALSTEEL COMP 1065
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
OUTSIDE DIAMETER1.516 INCHES NOMINAL IN
USAGE DESIGNINTERNAL
MAJOR THICKNESS0.092 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
RING STYLEANGULAR CAP
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
39-46Interchangeable
interchangeable cross-reference
interchangeable
JANI8TInterchangeable
interchangeable cross-reference
interchangeable
1173AInterchangeable
interchangeable cross-reference
interchangeable
S445-3Interchangeable
interchangeable cross-reference
interchangeable
2307Interchangeable
interchangeable cross-reference
interchangeable
S445-500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SK250-18?
SK250-18 is a RING,RETAINING.
What parts can replace SK250-18?
There are 16 known substitutes for SK250-18: 39-46, JANI8T, 1173A and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SK250-18?
SK250-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-164-2004. 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