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Technical Data Sheet
B-133448 ITEM 20 ✓ 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 PLATE,MENDING 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 5340-01-205-5711, 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
B-133448 ITEM 20
NSN: 5340-01-205-5711
FSC: 5340
CAGE: 97370 — SPX FLOW US, LLC DBA SPX VALVES & CONTROLS (USA)
SPECIFICATIONS
Part NumberB-133448 ITEM 20
NSN5340-01-205-5711
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B-133448 ITEM 20 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 4
64049Interchangeable
interchangeable cross-reference
interchangeable
804723Interchangeable
interchangeable cross-reference
interchangeable
REGULARNUTInterchangeable
interchangeable cross-reference
interchangeable
2-64049Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-133448 ITEM 20?
B-133448 ITEM 20 is a PLATE,MENDING.
What parts can replace B-133448 ITEM 20?
There are 4 known substitutes for B-133448 ITEM 20: 64049, 804723, REGULARNUT and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-133448 ITEM 20?
B-133448 ITEM 20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-205-5711. This indicates validated use in U.S. government and defense supply chains.
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