PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / 503-0003
503-0003 ✓ Verified by PartsTable
— · STORAGE_HDD · 3.5_SATA_HDD
WHAT YOU NEED TO KNOW
SAS backplane supports SATA, not vice versa NL-SAS = SAS protocol at nearline (7.2K) speed — NOT SATA
Gen8 LFF tray ≠ Gen10 tray — different screw holes
PRODUCT OVERVIEW

The MEMORY UNIT,DATA STORAGE is a the manufacturer memory module engineered for enterprise server and workstation platforms requiring validated, high-reliability memory. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE, temp_rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 1.500 INCHES NOMINAL IN, outside_diameter: 2.062 INCHES NOMINAL IN, special_features: STANDARD SIZE RANGE FROM 960GB TO 1024GB OF OVERALL DRIVE CAPACITY GB, burst_test_pressure: 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-640-5439, 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
STORAGE_HDD→ 3.5_SATA_HDD→ 503-0003
NSN: 4720-00-640-5439
FSC: 4720
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE
temp_rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter1.500 INCHES NOMINAL IN
outside_diameter2.062 INCHES NOMINAL IN
special_featuresSTANDARD SIZE RANGE FROM 960GB TO 1024GB OF OVERALL DRIVE CAPACITY GB
burst_test_pressure200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
end_item_identification7010-01-679-7207
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
specification/standard_data81343 SAE J20-1 GOVERNMENT SPECIFICATION
layer_composition_and_location1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
outer_covering_environmental_protectionHEAT RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND MILDEW RESISTANT
NSN4720-00-640-5439
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K 503-0003 OEM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | — | NL-SAS 7.2K NL-SAS uses SAS protocol at 7.2K RPM | SAS backplane supports SATA, not reverse Tray generation matters | Gen8 LFF tray differs from Gen10 TITLE LFF 3.5" DRIVE PN 503-0003 MFR OEM
KEY FEATURES
•
BURST TEST PRESSURE: 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
SPECIFICATION/STANDARD DATA: 81343 SAE J20-1 GOVERNMENT SPECIFICATION
•
TEMP RATING: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
OUTER COVERING ENVIRONMENTAL PROTECTION: HEAT RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND MILDEW RESISTANT
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE
•
INSIDE SURFACE CONDITION: SMOOTH
•
INSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
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 (FLIS)
BURST TEST PRESSURE200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
SPECIFICATION/STANDARD DATA81343 SAE J20-1 GOVERNMENT SPECIFICATION
TEMP RATING-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
OUTER COVERING ENVIRONMENTAL PROTECTIONHEAT RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND MILDEW RESISTANT
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE
INSIDE SURFACE CONDITIONSMOOTH
INSIDE DIAMETER1.500 INCHES NOMINAL IN
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER2.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
7044Interchangeable
interchangeable cross-reference
interchangeable
114454-1Interchangeable
interchangeable cross-reference
interchangeable
0594670Interchangeable
interchangeable cross-reference
interchangeable
CL7044Interchangeable
interchangeable cross-reference
interchangeable
UCL7044Interchangeable
interchangeable cross-reference
interchangeable
WI7044Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503-0003?
503-0003 is a MEMORY UNIT,DATA STORAGE. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 503-0003?
There are 24 known substitutes for 503-0003: 7044, 114454-1, 0594670 and 21 more. Substitute compatibility should be verified for your specific system.
Is 503-0003 still available?
503-0003 is currently cancelled.
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Last verified: July 2026