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Technical Data Sheet
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15333 ✓ Verified by PartsTable
Trefl · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

Premium quality is achieved by using appropriate thick cardboard, a special non-reflective layer, and puzzle pieces’ perfect fitting. Key specifications include material: STEEL COMP 4027, duty_type: CONTINUOUS, body_style: ENCLOSED FRAME, body_width: 1.688 INCHES NOMINAL IN, cone_width: 0.7710 INCHES NOMINAL IN, ring_style: SPECIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-076-1311, 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
15333
NSN: 5330-00-076-1311
FSC: 5330
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4027
duty_typeCONTINUOUS
body_styleENCLOSED FRAME
body_width1.688 INCHES NOMINAL IN
cone_width0.7710 INCHES NOMINAL IN
ring_styleSPECIAL
body_height2.688 INCHES NOMINAL IN
body_length3.281 INCHES NOMINAL IN
storage_typeGENERAL PURPOSE WAREHOUSE
thread_class2B MOUNTING FACILITY HOLE
usage_designEXTERNAL
bore_diameter1.3125 INCHES NOMINAL IN
NSN5330-00-076-1311
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 15333 MFR: Trefl ⚠ 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 15
87694Interchangeable
interchangeable cross-reference
interchangeable
550171-3Interchangeable
interchangeable cross-reference
interchangeable
384076R91Interchangeable
interchangeable cross-reference
interchangeable
15333Interchangeable
interchangeable cross-reference
interchangeable
SKN7550-8Interchangeable
interchangeable cross-reference
interchangeable
4371-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15333?
15333 is a FILTER,RADIO FREQUENCY INTERFERE manufactured by Trefl.
What parts can replace 15333?
There are 15 known substitutes for 15333: 87694, 550171-3, 384076R91 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15333?
15333 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-076-1311. 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