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Technical Data Sheet
PartsTable / COMPONENT / SK250-5
SK250-5 ✓ 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: 3.625 INCHES NOMINAL IN, major_thickness: 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN, outside_diameter: 4.125 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 5325-00-281-6644, 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
SK250-5
NSN: 5325-00-281-6644
FSC: 5325
CAGE: 89749 — CLARK MATERIAL HANDLING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1065
ring_styleANGULAR CAP
usage_designINTERNAL
inside_diameter3.625 INCHES NOMINAL IN
major_thickness0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
outside_diameter4.125 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM A576 FS1065 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-281-6644
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SK250-5 · 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
•
RING STYLE: ANGULAR CAP
•
MATERIAL: STEEL COMP 1065
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 FS1065 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: INTERNAL
•
MAJOR THICKNESS: 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
RING STYLEANGULAR CAP
MATERIALSTEEL COMP 1065
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 FS1065 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIAL HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
USAGE DESIGNINTERNAL
MAJOR THICKNESS0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.125 INCHES NOMINAL IN
INSIDE DIAMETER3.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
10082468Interchangeable
interchangeable cross-reference
interchangeable
56039Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-00785Interchangeable
interchangeable cross-reference
interchangeable
20015121Interchangeable
interchangeable cross-reference
interchangeable
33418Interchangeable
interchangeable cross-reference
interchangeable
1018Z 7196Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SK250-5?
SK250-5 is a RING,RETAINING.
What parts can replace SK250-5?
There are 21 known substitutes for SK250-5: 10082468, 56039, GGG-B-00785 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SK250-5?
SK250-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-281-6644. 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