PartsTable
Technical Data Sheet
2IN 4446ATSW NO18 PEEK PROTECTO ✓ 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 BACK-UP RING,PREFORMED PACKING 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 5330-01-523-8333, 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
2IN 4446ATSW NO18 PEEK PROTECTO
NSN: 5330-01-523-8333
FSC: 5330
CAGE: 98991 — WORCESTER CONTROLS CORP P O BOX 2609 COOKEVILLE TN 385022609 (USA)
SPECIFICATIONS
Part Number2IN 4446ATSW NO18 PEEK PROTECTO
NSN5330-01-523-8333
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2IN 4446ATSW NO18 PEEK PROTECTO 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 14
RR-G-691Interchangeable
interchangeable cross-reference
interchangeable
5120-00-224-2661Interchangeable
interchangeable cross-reference
interchangeable
1611-20Interchangeable
interchangeable cross-reference
interchangeable
24005Interchangeable
interchangeable cross-reference
interchangeable
668-0952Interchangeable
interchangeable cross-reference
interchangeable
405Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2IN 4446ATSW NO18 PEEK PROTECTO?
2IN 4446ATSW NO18 PEEK PROTECTO is a BACK-UP RING,PREFORMED PACKING.
What parts can replace 2IN 4446ATSW NO18 PEEK PROTECTO?
There are 14 known substitutes for 2IN 4446ATSW NO18 PEEK PROTECTO: RR-G-691, 5120-00-224-2661, 1611-20 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2IN 4446ATSW NO18 PEEK PROTECTO?
2IN 4446ATSW NO18 PEEK PROTECTO is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-523-8333. This indicates validated use in U.S. government and defense supply chains.
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