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Technical Data Sheet
PartsTable / COMPONENT / 215-521
215-521 ✓ Verified by PartsTable
Hama · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

If you like your smartphone protection practical, the "Single2.0" mobile phone protector in the booklet design is ideal: the edges, front and reverse are protected and you don't have to worry about a display protector film. There's even a stand function. What more could you want? This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-530-5505, 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
215-521
NSN: 5340-00-530-5505
FSC: 5340
CAGE: 70485 — ATLANTIC INDIA RUBBER CO INC (USA)
SPECIFICATIONS
materialSTEEL
cup_height0.500 INCHES NOMINAL IN
cup_diameter1.500 INCHES NOMINAL IN
special_featuresSIZE DESIGNATION: 8-32
attachment_device_typeMACHINE SCREW
attachment_device_designMALE
attachment_device_length0.250 INCHES NOMINAL IN
NSN5340-00-530-5505
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 215-521 MFR: Hama ⚠ 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
•
MATERIAL: STEEL
•
CUP HEIGHT: 0.500 INCHES NOMINAL IN
•
ATTACHMENT DEVICE TYPE: MACHINE SCREW
•
ATTACHMENT DEVICE LENGTH: 0.250 INCHES NOMINAL IN
•
CUP DIAMETER: 1.500 INCHES NOMINAL IN
•
ATTACHMENT DEVICE DESIGN: MALE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
CUP HEIGHT0.500 INCHES NOMINAL IN
SPECIAL FEATURESSIZE DESIGNATION: 8-32
ATTACHMENT DEVICE TYPEMACHINE SCREW
ATTACHMENT DEVICE LENGTH0.250 INCHES NOMINAL IN
CUP DIAMETER1.500 INCHES NOMINAL IN
ATTACHMENT DEVICE DESIGNMALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
777Upgraded Successor
successor cross-reference
successor
10018730-027Upgraded Successor
successor cross-reference
successor
EB83Upgraded Successor
successor cross-reference
successor
31024T-MFUpgraded Successor
successor cross-reference
successor
W-B-131-1-9MC3A-DUpgraded Successor
successor cross-reference
successor
024Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 215-521?
215-521 is a CUP,SUCTION manufactured by Hama.
What parts can replace 215-521?
There are 8 known substitutes for 215-521: 777, 10018730-027, EB83 and 5 more. Substitute compatibility should be verified for your specific system.
Is 215-521 still available?
215-521 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026