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4501458 — MICROCIRCUIT,MEMORY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4501458: MICROCIRCUIT,MEMORY.

The MICROCIRCUIT,MEMORY is a the manufacturer memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.438 INCHES NOMINAL IN, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 2.004 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-154-0903, 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
4501458
NSN: 5330-00-154-0903
NIINs: 001540903, 013880594
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.438 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter2.004 INCHES NOMINAL IN
special_featuresPROGRAMMED EPLD
surface_treatmentPLASTIC CASE
memory_device_typePAL
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
housing_bore_diameter2.000 INCHES NOMINAL IN
sealing_element_styleANGULAR
NSN5330-00-154-0903
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4501458 MFR: OEM ⚠ 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
•
TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 2.004 INCHES NOMINAL IN
•
MAXIMUM PRESSURE RATING: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
•
HOUSING BORE DIAMETER: 2.000 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
SEAL WIDTH0.438 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER2.004 INCHES NOMINAL IN
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
HOUSING BORE DIAMETER2.000 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
COLORBLACK
SUBSTITUTES & CROSS-REFERENCES 8
13-463-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
221551Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
509A40Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4501458-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
34631Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
28779Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4501458?
4501458 is a MICROCIRCUIT,MEMORY.
What parts can replace 4501458?
There are 8 known substitutes for 4501458: 13-463-4, 221551, 509A40 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4501458?
4501458 is cataloged in the U.S. Government catalog under NSN 5330-00-154-0903. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.