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201058-6 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

201058-6: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_style: DIAGONAL PARALLEL, ring_style: SPLIT, usage_design: INTERNAL, inside_diameter: 4.125 INCHES MINIMUM AND 4.131 INCHES MAXIMUM IN, outside_diameter: 4.251 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-151-0622, 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
201058-6
NSN: 5325-01-151-0622
FSC: 5325 — Fastening Devices
CAGE: 75370 — KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
end_styleDIAGONAL PARALLEL
ring_styleSPLIT
usage_designINTERNAL
inside_diameter4.125 INCHES MINIMUM AND 4.131 INCHES MAXIMUM IN
outside_diameter4.251 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating34.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 40.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleDOUBLE OVAL
NSN5325-01-151-0622
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 201058-6 · 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
•
MATERIAL HARDNESS RATING: 34.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 40.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: INTERNAL
•
END STYLE: DIAGONAL PARALLEL
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 4.251 INCHES NOMINAL IN
•
INSIDE DIAMETER: 4.125 INCHES MINIMUM AND 4.131 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPLIT
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING34.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 40.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNINTERNAL
END STYLEDIAGONAL PARALLEL
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER4.251 INCHES NOMINAL IN
INSIDE DIAMETER4.125 INCHES MINIMUM AND 4.131 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPLIT
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 201058-6?
201058-6 is a RING,RETAINING.
What is the NSN for 201058-6?
201058-6 is cataloged in the U.S. Government catalog under NSN 5325-01-151-0622. This indicates validated use in U.S. government and defense supply chains.
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