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Technical Data Sheet
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02138 — RING,WIPER

✓ Government record, cited
Displex · ORING SEAL
PRODUCT OVERVIEW

02138: RING,WIPER.

DISPLEX Premium SMARTWATCH GLASS (FULL BODY ALL-IN-ONE PROTECTOR) High-Performance All-Round Protection for Your Apple Watch Protect your Apple Watch with one of the toughest solutions available: DISPLEX Premium SMARTWATCH GLASS features genuine ultra-hard 10H tempered glass – far superior to conventional plastic films – delivering durable protection against scratches, impacts and screen shattering. Its slim, transparent polycarbonate frame absorbs shocks and adds full body protection without compromising the sleek look or handling. The integrated sealing ring ensures IP68-certified resistance to water and dust, making it ideal for sports, outdoor use and daily wear.

An advanced anti-fingerprint coating keeps your screen clean and clear, while all touchscreen and button functions remain fully operational. Charging works seamlessly without needing to remove the case. With its Snap-On mounting design, installation is quick, tool-free and leaves no residue when removed.

<br This part is cataloged in the U.S. Government catalog under NSN 5330-00-178-8618, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
02138
NSN: 5330-00-178-8618
FSC: 5330 — Packing and Gasket Materials
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
ring_styleCONCENTRIC
outside_diameter1.016 INCHES NOMINAL IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5330-00-178-8618
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 02138 MFR: Displex ⚠ 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
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
OUTSIDE DIAMETER: 1.016 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
MATERIAL: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
OUTSIDE DIAMETER1.016 INCHES NOMINAL IN
RING STYLECONCENTRIC
MATERIALUNABLE TO DECODE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 3
16-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
5500-5-304Reference document
Same NSN cross-reference
Reference document — Secondary reference
4020-5Reference 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 02138?
02138 is a RING,WIPER manufactured by Displex.
What parts can replace 02138?
There are 3 known substitutes for 02138: 16-5, 5500-5-304, 4020-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 02138?
02138 is cataloged in the U.S. Government catalog under NSN 5330-00-178-8618. This indicates validated use in U.S. government and defense supply chains.
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