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42686 — REACTOR

✓ Government record, cited
Lena · ORING SEAL
PRODUCT OVERVIEW

42686: REACTOR.

The Lindy USB to Serial Converter with COM retention allows easy connection of peripheral devices featuring 9 Way Serial RS232 to a USB Type A port. With both USB Type A and serial connectors, this device is a perfect solution for connecting legacy RS232 equipment such as barcode scanners and industrial devices to computers in retail, IT and digital signage scenarios. Thanks to COM Port Retention technology, once the USB to Serial Converter with COM Retention has been installed and configured, it can be disconnected from the computer and reconnected to any available USB port on that computer at any time without having to reconfigure your software, saving time.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-344-3821, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
42686
NSN: 5330-00-344-3821
NIINs: 003443821, 006473584, 011674209, 011782481
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
diameter0.188 INCHES NOMINAL IN
materialSTEEL
body_width2.797 INCHES MINIMUM AND 2.827 INCHES MAXIMUM IN
case_styleSQUARE
cut_length0.500 INCHES NOMINAL IN
seal_width0.438 INCHES NOMINAL IN
shank_typeSTRAIGHT
body_height2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN
body_length3.297 INCHES MINIMUM AND 3.327 INCHES MAXIMUM IN
design_formSINGLE END
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
flute_designHELICAL
NSN5330-00-344-3821
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 42686 MFR: Lena ⚠ 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
KEY FEATURES
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TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
•
HOUSING BORE DIAMETER: 3.500 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
SEAL WIDTH0.438 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
HOUSING BORE DIAMETER3.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
CASE STYLESQUARE
COLORBLACK
ACCOMMODATED SHAFT DIAMETER2.750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
H832-1632-21Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 42686?
42686 is a REACTOR manufactured by Lena.
What parts can replace 42686?
There is 1 known substitute for 42686: H832-1632-21. Substitute compatibility should be verified for your specific system.
What is the NSN for 42686?
42686 is cataloged in the U.S. Government catalog under NSN 5330-00-344-3821. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.