PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / 1000A50
1000A50 ✓ 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 IBM 70.56GB 15K RPM HARD DRIVE is a the manufacturer hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include inclosure_type: ENCASED, special_features: TERM NO FOUR DUMMY, nominal_thread_size: 0.250 INCHES IN, reference_frequency_per_function: 60.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED, frequency_band_width_per_function: 59.50 HERTZ BLANK AND 60.50 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED, mounting_facility_type_and_quantity: 1 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-501-3614, 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→ 1000A50
NSN: 5915-00-501-3614
FSC: 5915
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
inclosure_typeENCASED
special_featuresTERM NO FOUR DUMMY
nominal_thread_size0.250 INCHES IN
reference_frequency_per_function60.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
frequency_band_width_per_function59.50 HERTZ BLANK AND 60.50 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity1 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
mounting_facility_screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5915-00-501-3614
COMPONENT DIAGRAM
RELEASE LATCH 70.56GB NL-SAS 15K RPM 1000A50 OEM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 70.56GB | NL-SAS 15K RPM 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 1000A50 MFR OEM
KEY FEATURES
•
70.56GB Capacity
•
15K RPM Speed
•
FUNCTIONAL TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
•
REFERENCE FREQUENCY PER FUNCTION: 60.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
FREQUENCY BAND WIDTH PER FUNCTION: 59.50 HERTZ BLANK AND 60.50 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
INCLOSURE TYPE: ENCASED
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TYPICAL APPLICATIONS
  • Enterprise storage arrays and SANs
  • Direct-attached storage (DAS) expansion
  • Database tier storage (OLTP, OLAP)
  • Virtual machine datastore expansion
  • Backup-to-disk and disaster recovery targets
  • Content delivery and media streaming storage
TECHNICAL CHARACTERISTICS (FLIS)
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
REFERENCE FREQUENCY PER FUNCTION60.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
FREQUENCY BAND WIDTH PER FUNCTION59.50 HERTZ BLANK AND 60.50 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
SPECIAL FEATURESTERM NO FOUR DUMMY
INCLOSURE TYPEENCASED
NOMINAL THREAD SIZE0.250 INCHES IN
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG INPUT FIRST FUNCTION
FUNCTIONAL TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG GROUND THIRD FUNCTION
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
NY460-622-4PC498Interchangeable
interchangeable cross-reference
interchangeable
4327Interchangeable
IBM 70.56GB 15k RPM Hard Drive
interchangeable
7036-SS-20Interchangeable
interchangeable cross-reference
interchangeable
128C946H08Interchangeable
interchangeable cross-reference
interchangeable
2719-4327Interchangeable
interchangeable cross-reference
interchangeable
26152Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1000A50?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1000A50?
1000A50 is a IBM 70.56GB 15K RPM HARD DRIVE. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 1000A50?
There are 8 known substitutes for 1000A50: NY460-622-4PC498, 4327, 7036-SS-20 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1000A50?
1000A50 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-00-501-3614. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1000A50

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026