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PartsTable / COMPONENT / SYSTEM II REF 30
SYSTEM II REF 30 ✓ 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 BUCKLE is a the manufacturer industrial component. Key specifications include special_features: 1.5 IN. IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-448-1742, 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
SYSTEM II REF 30
NSN: 5340-01-448-1742
FSC: 5340
CAGE: 8Z618 — THE JEROME GROUP INC DBA JEROME MEDICAL (USA)
SPECIFICATIONS
special_features1.5 IN. IN
NSN5340-01-448-1742
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SYSTEM II REF 30 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES1.5 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
PD52414Interchangeable
interchangeable cross-reference
interchangeable
GME50401Interchangeable
interchangeable cross-reference
interchangeable
304MInterchangeable
interchangeable cross-reference
interchangeable
PD52207Interchangeable
interchangeable cross-reference
interchangeable
30MInterchangeable
interchangeable cross-reference
interchangeable
302MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SYSTEM II REF 30?
SYSTEM II REF 30 is a BUCKLE.
What parts can replace SYSTEM II REF 30?
There are 10 known substitutes for SYSTEM II REF 30: PD52414, GME50401, 304M and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SYSTEM II REF 30?
SYSTEM II REF 30 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-448-1742. 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