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Technical Data Sheet
49818 ✓ 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

- Super slim case to hold two CD-ROMs each<br>- 2 of these empty cases can be stored in one standard CD-ROM insert pocket due to small height<br>- Ideal replacement when the original box is damaged or as storage of security backups<br>- Colour: transparent<br>- Pack of 10, welded This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-0972, 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
49818
NSN: 5330-00-641-0972
FSC: 5330
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionNO TECH REVIEW OR CHARACTERISTICS DATA
NSN5330-00-641-0972
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 49818 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
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER: 3.938 INCHES NOMINAL IN
MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
CASE STYLE: SQUARE
SEAL WIDTH: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SEALING ELEMENT STYLE: ANGULAR
HOUSING BORE DIAMETER: 4.999 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Enterprise virtualization host density upgrades
  • Database server performance scaling
  • AI/ML inference workloads
  • High-performance computing (HPC) clusters
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER3.938 INCHES NOMINAL IN
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
CASE STYLESQUARE
SEAL WIDTH0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER4.999 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
3424-8821-0000Interchangeable
interchangeable cross-reference
interchangeable
4379-2Interchangeable
interchangeable cross-reference
interchangeable
RE61A222TYPE61158Interchangeable
interchangeable cross-reference
interchangeable
334Interchangeable
interchangeable cross-reference
interchangeable
61158Interchangeable
interchangeable cross-reference
interchangeable
39-280Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 49818?
49818 is a GEAR,PROCESSOR,XRAY manufactured by Hama.
What parts can replace 49818?
There are 29 known substitutes for 49818: 3424-8821-0000, 4379-2, RE61A222TYPE61158 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 49818?
49818 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-0972. This indicates validated use in U.S. government and defense supply chains.
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