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10042521 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10042521: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, usage_design: INTERNAL, inside_diameter: 6.0 MILLIMETERS NOMINAL MM, outside_diameter: 24.0 MILLIMETERS NOMINAL MM, end_item_identification: 2320-01-653-6516, part_name_assigned_by_controlling_agency: RING,INT M6X.38 SGL,SLFLK. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-677-9483, 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
10042521
NSN: 5325-01-677-9483
FSC: 5325 — Fastening Devices
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL
usage_designINTERNAL
inside_diameter6.0 MILLIMETERS NOMINAL MM
outside_diameter24.0 MILLIMETERS NOMINAL MM
end_item_identification2320-01-653-6516
part_name_assigned_by_controlling_agencyRING,INT M6X.38 SGL,SLFLK
NSN5325-01-677-9483
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10042521 · 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: INTERNAL
•
OUTSIDE DIAMETER: 24.0 MILLIMETERS NOMINAL MM
•
INSIDE DIAMETER: 6.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
OUTSIDE DIAMETER24.0 MILLIMETERS NOMINAL MM
INSIDE DIAMETER6.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYRING,INT M6X.38 SGL,SLFLK
END ITEM IDENTIFICATION2320-01-653-6516
MATERIALSTEEL
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 1
4393588Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10042521?
10042521 is a RING,RETAINING.
What parts can replace 10042521?
There is 1 known substitute for 10042521: 4393588. Substitute compatibility should be verified for your specific system.
What is the NSN for 10042521?
10042521 is cataloged in the U.S. Government catalog under NSN 5325-01-677-9483. 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.