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Technical Data Sheet
PartsTable / COMPONENT / SC-B-34446
SC-B-34446 ✓ 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 HANDLE,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include special_features: 1.500 IN.LG;0.500 IN.DIA;PLASTIC; 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 5340-00-498-0395, 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
SC-B-34446
NSN: 5340-00-498-0395
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
special_features1.500 IN.LG;0.500 IN.DIA;PLASTIC; IN
NSN5340-00-498-0395
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SC-B-34446 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 FEATURES1.500 IN.LG;0.500 IN.DIA;PLASTIC; IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
QQ-S-571Interchangeable
interchangeable cross-reference
interchangeable
M30Interchangeable
interchangeable cross-reference
interchangeable
QQS571SN50Interchangeable
interchangeable cross-reference
interchangeable
MF234Interchangeable
interchangeable cross-reference
interchangeable
SS-S-736Interchangeable
interchangeable cross-reference
interchangeable
ANSI B74.12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC-B-34446?
SC-B-34446 is a HANDLE,MANUAL CONTROL.
What parts can replace SC-B-34446?
There are 18 known substitutes for SC-B-34446: QQ-S-571, M30, QQS571SN50 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC-B-34446?
SC-B-34446 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-498-0395. 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