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12858CP — SEAL RING,METAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12858CP: SEAL RING,METAL.

The SEAL RING,METAL is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: SEAL,RING, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-224-4837, 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
12858CP
NSN: 5330-01-224-4837
FSC: 5330 — Packing and Gasket Materials
CAGE: 14487 — PROVISION, INC. DBA PROVISION INC (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencySEAL,RING
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5330-01-224-4837
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12858CP MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL,RING
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
SUBSTITUTES & CROSS-REFERENCES 3
12858Reference document
Same NSN cross-reference
Reference document — Secondary reference
12858-1CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12858-1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 12858CP?
12858CP is a SEAL RING,METAL.
What parts can replace 12858CP?
There are 3 known substitutes for 12858CP: 12858, 12858-1CP, 12858-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 12858CP?
12858CP is cataloged in the U.S. Government catalog under NSN 5330-01-224-4837. 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.