PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / 1207-31
1207-31 ✓ 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 DISK DRIVE SUBASSEMBLY is a the manufacturer hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include material: STEEL CORROSION RESISTING OVERALL, base_style: WIRE LEADS, DOWN, bulb_style: T (TUBULAR), hole_diameter: 1.144 INCHES MINIMUM AND 1.172 INCHES MAXIMUM IN, overall_length: 0.520 INCHES MAXIMUM IN, voltage_rating: 2.500 VOLTS NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-0731, 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→ 1207-31
NSN: 5310-00-012-0731
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
base_styleWIRE LEADS, DOWN
bulb_styleT (TUBULAR)
hole_diameter1.144 INCHES MINIMUM AND 1.172 INCHES MAXIMUM IN
overall_length0.520 INCHES MAXIMUM IN
voltage_rating2.500 VOLTS NOMINAL
wattage_rating0.875 WATTS
bulb_designatorT-1 3/4
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
outside_diameter1.853 INCHES MAXIMUM IN
special_featuresTWO 3 1/2 IN. FLOPPY DRIVES BOLTED TOGETHER. DCBA INTERFACE ON BACKSIDE. USED ONLY ON PMA SYSTEM. IN
style_designatorSPLIT HELICAL-RIGHT HAND
NSN5310-00-012-0731
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K 1207-31 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 1207-31 MFR OEM
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 2 STYLE AND A CLASS
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
HOLE DIAMETER: 1.144 INCHES MINIMUM AND 1.172 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.853 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
MATERIAL THICKNESS: 0.281 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
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)
NONDEFINITIVE SPEC/STD DATA2 STYLE AND A CLASS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
HOLE DIAMETER1.144 INCHES MINIMUM AND 1.172 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.853 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
MATERIAL THICKNESS0.281 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
OL-2169Interchangeable
interchangeable cross-reference
interchangeable
2169Interchangeable
interchangeable cross-reference
interchangeable
807Interchangeable
interchangeable cross-reference
interchangeable
85422Interchangeable
Screw,machine 10-32
interchangeable
11877Interchangeable
interchangeable cross-reference
interchangeable
CD4068BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1207-31?
1207-31 is a DISK DRIVE SUBASSEMBLY. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 1207-31?
There are 11 known substitutes for 1207-31: OL-2169, 2169, 807 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1207-31?
1207-31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-0731. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026