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390-4 — RELAY,ELECTROMAGNETIC

✓ Government record, cited
Braun · ORING SEAL
PRODUCT OVERVIEW

390-4: RELAY,ELECTROMAGNETIC.

Triple Action Free Float System With three fully adaptive cutting elements the floating head adapts automatically to facial contours and shave short and long hairs in every stroke. Smart Foil™ Through its unique foil patterns the Smart Foil™ captures hairs growing in different directions. 3-Stage Cutting System With twin foils that shave off stubbles and an integrated cutter that shortens longer hairs Braun shaves progressively closer in 3 stages.

Washable Fully washable under running tap water – for easy cleaning. Clean & Renew™ System At the touch of a button automatically cleans, lubricates and charges the shaver to keep it feeling like new every day. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-020-0203, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
390-4
NSN: 5331-00-020-0203
NIINs: 000200203, 000658126, 001588900, 001666581, 002042279, 002953205, 008716834, 009717988, 010630559, 011048163, 012499467, 012753994, 013051741, 015083223, 015535998, 016000538, 016457571, 016972675, 017190226
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
width6.000 INCHES NOMINAL IN
length11.000 INCHES NOMINAL IN
materialRUBBER BUTADIENE NITRILE
duty_typeCONTINUOUS
thickness0.812 INCHES NOMINAL IN
design_typeRIGID-METAL
capsule_typeHARD
thread_class2A SINGLE MOUNTING FACILITY A
coil_quantity1
overall_width1.430 INCHES NOMINAL IN
terminal_typeSCREW
accessory_typeVALVE
NSN5331-00-020-0203
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 390-4 MFR: Braun ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 10
5331PL2007478Reference document
Same NSN cross-reference
Reference document — Informative reference only
M83248-1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
379643Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
992E545-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
8712 FIND 21Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
M93248/1-904Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 390-4?
390-4 is a RELAY,ELECTROMAGNETIC manufactured by Braun.
What parts can replace 390-4?
There are 10 known substitutes for 390-4: 5331PL2007478, M83248-1-904, 379643 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 390-4?
390-4 is cataloged in the U.S. Government catalog under NSN 5331-00-020-0203. This indicates validated use in U.S. government and defense supply chains.
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