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Technical Data Sheet
PartsTable / STORAGE_HDD / 40-042
40-042 ✓ Verified by PartsTable
Trefl · 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

INTERFACE UNIT,AUTOMATIC DATA PR. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 45.0 DEGREES SECOND END, seat_angle: 12.0 DEGREES SECOND END, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT SINGLE RESPONSE DEGF, closure_type: SCREW CAP, thread_class: 3B SECOND END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3510-00-555-6686, 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→ 40-042
NSN: 3510-00-555-6686
FSC: 3510
CAGE: 61820 — UNIPRESS CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle45.0 DEGREES SECOND END
seat_angle12.0 DEGREES SECOND END
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
closure_typeSCREW CAP
thread_class3B SECOND END
exterior_colorRED
capacity_rating100.0 OUNCES OZ
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
inside_diameter0.250 INCHES NOMINAL IN
connection_styleSWIVEL NUT, INVERTED FLARE FIRST END
outside_diameter0.412 INCHES NOMINAL IN
NSN3510-00-555-6686
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K 40-042 Trefl 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 40-042 MFR Trefl
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: HEAVY WHITE NYLON
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONHEAVY WHITE NYLON
END ITEM IDENTIFICATIONUNIPRESS MODEL STH-B LAUNDRY PRESS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
33036 REDInterchangeable
interchangeable cross-reference
interchangeable
N-2477Interchangeable
interchangeable cross-reference
interchangeable
33036Interchangeable
interchangeable cross-reference
interchangeable
400-4-2Interchangeable
interchangeable cross-reference
interchangeable
N0083Interchangeable
interchangeable cross-reference
interchangeable
40042DDInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40-042?
40-042 is a INTERFACE UNIT,AUTOMATIC DATA PR manufactured by Trefl. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 40-042?
There are 6 known substitutes for 40-042: 33036 RED, N-2477, 33036 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40-042?
40-042 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3510-00-555-6686. 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