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3538-4 — O-RING

✓ Government record, cited
Cellularline · ORING SEAL
PRODUCT OVERVIEW

3538-4: O-RING.

USB CHARGER DUAL ULTRA is the charger with two USB ports which, thanks to its 15W output, can quickly charge two devices at the same time (either two smartphones or a tablet and a smartphone). The charging cable is not included in the pack. There is no agreement, licence or connection between Cellularline S.p.A.

and the companies who own the trademarks and names in the text and images on this web page. All trademarks, names and mobile phone models are owned by their respective owners. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-468-1706, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
3538-4
NSN: 5331-00-468-1706
NIINs: 004681706, 012342642
FSC: 5331 — O-ring
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
hole_diameter0.141 INCHES NOMINAL IN
overall_width0.300 INCHES NOMINAL IN
overall_length1.605 INCHES MINIMUM AND 1.645 INCHES MAXIMUM IN
surface_treatmentCHROMATE
bolt_hole_quantity4
material_document_and_classificationTYPE 4,PER DCC 490 FSCM 07148 MFR REF SINGLE MATERIAL RESPONSE
bolt_hole_centerline_to_nearest_edge_distance0.150 INCHES NOMINAL IN
surface_treatment_document_and_classificationMIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
outside_edge_to_bolt_hole_center_distance_along_length0.200 INCHES NOMINAL IN
NSN5331-00-468-1706
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3538-4 MFR: Cellularline ⚠ 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 2
3534FIND13Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3534PC13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3538-4?
3538-4 is a O-RING manufactured by Cellularline.
What parts can replace 3538-4?
There are 2 known substitutes for 3538-4: 3534FIND13, 3534PC13. Substitute compatibility should be verified for your specific system.
What is the NSN for 3538-4?
3538-4 is cataloged in the U.S. Government catalog under NSN 5331-00-468-1706. This indicates validated use in U.S. government and defense supply chains.
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