SK251-28 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

SK251-28: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: INTERNAL, inside_diameter: 1.378 INCHES NOMINAL IN, major_thickness: 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-164-3015, 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

SK251-28

NSN: 5325-00-164-3015
FSC: 5325 — Fastening Devices
CAGE: 1X0J7 — VOLVO CONSTRUCTION EQUIPMENT NORTH AMERICA, LLC (USA)

SPECIFICATIONS

material	STEEL
end_style	90 DEGREE PARALLEL
ring_style	STRAIGHT GAP
usage_design	INTERNAL
inside_diameter	1.378 INCHES NOMINAL IN
major_thickness	0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
outside_diameter	1.641 INCHES NOMINAL IN
casehardening_indicator	NOT CASEHARDENED
material_hardness_rating	43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	SAE 1060 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE
NSN	5325-00-164-3015

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM

•

USAGE DESIGN: INTERNAL

•

END STYLE: 90 DEGREE PARALLEL

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1060 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

OUTSIDE DIAMETER: 1.641 INCHES NOMINAL IN

•

MAJOR THICKNESS: 0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 1.378 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

MATERIAL HARDNESS RATING	43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
USAGE DESIGN	INTERNAL
END STYLE	90 DEGREE PARALLEL
MATERIAL DOCUMENT AND CLASSIFICATION	SAE 1060 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
OUTSIDE DIAMETER	1.641 INCHES NOMINAL IN
MAJOR THICKNESS	0.093 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
INSIDE DIAMETER	1.378 INCHES NOMINAL IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	STRAIGHT GAP

SUBSTITUTES & CROSS-REFERENCES 2

224033Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

902702Reference 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 SK251-28?

SK251-28 is a RING,RETAINING.

What parts can replace SK251-28?

There are 2 known substitutes for SK251-28: 224033, 902702. Substitute compatibility should be verified for your specific system.

What is the NSN for SK251-28?

SK251-28 is cataloged in the U.S. Government catalog under NSN 5325-00-164-3015. This indicates validated use in U.S. government and defense supply chains.

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