PartsTable
Technical Data Sheet
SM9058-1 ITEM 21 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-117-9283, 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
SM9058-1 ITEM 21
NSN: 5331-01-117-9283
FSC: 5331 — O-RING
CAGE: 04613 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP (USA)
SPECIFICATIONS
Part NumberSM9058-1 ITEM 21
NSN5331-01-117-9283
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM9058-1 ITEM 21 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
370715Interchangeable
interchangeable cross-reference
interchangeable
35PC22Interchangeable
interchangeable cross-reference
interchangeable
BK11192Interchangeable
interchangeable cross-reference
interchangeable
230-928-040-100-001Interchangeable
interchangeable cross-reference
interchangeable
20-12-21PC9Interchangeable
interchangeable cross-reference
interchangeable
5330PL1277603Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM9058-1 ITEM 21?
SM9058-1 ITEM 21 is a O-RING.
What parts can replace SM9058-1 ITEM 21?
There are 11 known substitutes for SM9058-1 ITEM 21: 370715, 35PC22, BK11192 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM9058-1 ITEM 21?
SM9058-1 ITEM 21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-117-9283. This indicates validated use in U.S. government and defense supply chains.
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