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Technical Data Sheet
PartsTable / COMPONENT / 056042 ITEM 11
056042 ITEM 11 ✓ 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 SEAL,PLAIN 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 5330-01-232-2143, 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
056042 ITEM 11
NSN: 5330-01-232-2143
FSC: 5330
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
Part Number056042 ITEM 11
NSN5330-01-232-2143
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 056042 ITEM 11 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 10
30611Interchangeable
interchangeable cross-reference
interchangeable
40-6057DInterchangeable
interchangeable cross-reference
interchangeable
40-6057BInterchangeable
interchangeable cross-reference
interchangeable
SR-822A-60-250Interchangeable
interchangeable cross-reference
interchangeable
8A65A55Interchangeable
interchangeable cross-reference
interchangeable
114525-250-51Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 056042 ITEM 11?
056042 ITEM 11 is a SEAL,PLAIN.
What parts can replace 056042 ITEM 11?
There are 10 known substitutes for 056042 ITEM 11: 30611, 40-6057D, 40-6057B and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 056042 ITEM 11?
056042 ITEM 11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-232-2143. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026