PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / MIL-S-3112
MIL-S-3112 ✓ 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 INTERFACE UNIT,DATA TRANSFER is a the manufacturer industrial component. Key specifications include unit_design: DESK TOP, operating_voltage_in_volts: 220.0 NOMINAL, nondefinitive_spec/std_data: I TYPE, general_characteristics_item_description: COTTON DUCK FED CCC-C-428 TYPE I 12 BY 12 FT NOM O/A; ROPE MANILA 1.5 IN. CIR EDGE 3.75 IN.

CIR REINFORCING ROPE IN, part_name_assigned_by_controlling_agency: MEDIA CONVERTER, UTP. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3940-00-298-3978, 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→ MIL-S-3112
NSN: 3940-00-298-3978
FSC: 3940
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
unit_designDESK TOP
operating_voltage_in_volts220.0 NOMINAL
nondefinitive_spec/std_dataI TYPE
general_characteristics_item_descriptionCOTTON DUCK FED CCC-C-428 TYPE I 12 BY 12 FT NOM O/A; ROPE MANILA 1.5 IN. CIR EDGE 3.75 IN. CIR REINFORCING ROPE IN
part_name_assigned_by_controlling_agencyMEDIA CONVERTER, UTP
NSN3940-00-298-3978
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K MIL-S-3112 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 MIL-S-3112 MFR OEM
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: I TYPE
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: COTTON DUCK FED CCC-C-428 TYPE I,9 FT BY 3 FT NOM O/A; ROPE MANILA 1.5 IN. CIR EDGE 3.75 IN. CIR REINFORCING IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAI TYPE
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCOTTON DUCK FED CCC-C-428 TYPE I,9 FT BY 3 FT NOM O/A; ROPE MANILA 1.5 IN. CIR EDGE 3.75 IN. CIR REINFORCING IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
MIL-S-3112Interchangeable
interchangeable cross-reference
interchangeable
TYPE IIInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-S-3112?
MIL-S-3112 is a INTERFACE UNIT,DATA TRANSFER. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace MIL-S-3112?
There are 2 known substitutes for MIL-S-3112: MIL-S-3112, TYPE II. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-S-3112?
MIL-S-3112 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3940-00-298-3978. 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