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SK250-34 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SK250-34: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: INTERNAL STEPPED, usage_design: EXTERNAL OR INTERNAL, inside_diameter: 3.375 INCHES NOMINAL IN, major_thickness: 0.156 INCHES NOMINAL IN, outside_diameter: 4.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-713-3756, 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
SK250-34
NSN: 5325-00-713-3756
FSC: 5325 — Fastening Devices
CAGE: 89749 — CLARK MATERIAL HANDLING COMPANY (USA)
SPECIFICATIONS
materialSTEEL
ring_styleINTERNAL STEPPED
usage_designEXTERNAL OR INTERNAL
inside_diameter3.375 INCHES NOMINAL IN
major_thickness0.156 INCHES NOMINAL IN
outside_diameter4.000 INCHES NOMINAL IN
surface_treatmentLACQUER
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-713-3756
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SK250-34 · 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
•
USAGE DESIGN: EXTERNAL OR INTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.156 INCHES NOMINAL IN
•
INSIDE DIAMETER: 3.375 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: INTERNAL STEPPED
•
SURFACE TREATMENT: LACQUER
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL OR INTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
MAJOR THICKNESS0.156 INCHES NOMINAL IN
INSIDE DIAMETER3.375 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEINTERNAL STEPPED
SURFACE TREATMENTLACQUER
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
223885Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SK250-34?
SK250-34 is a RING,RETAINING.
What parts can replace SK250-34?
There is 1 known substitute for SK250-34: 223885. Substitute compatibility should be verified for your specific system.
What is the NSN for SK250-34?
SK250-34 is cataloged in the U.S. Government catalog under NSN 5325-00-713-3756. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.