PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / H400A
H400A ✓ 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 INPUT BOX ASSEMBLY is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: COPPER ALLOY CASE, power_source: EXTERNAL, inclosure_type: ENCASED, mounting_method: BULKHEAD, operating_range: 20 TO 80 PERCENT RELATIVE HUMIDITY RANGE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-078-6987, 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→ H400A
NSN: 6685-00-078-6987
FSC: 6685
CAGE: 27320 — HONEYWELL INC PROCESS CONTROLS DIV (USA)
SPECIFICATIONS
phaseSINGLE
materialCOPPER ALLOY CASE
power_sourceEXTERNAL
inclosure_typeENCASED
mounting_methodBULKHEAD
operating_range20 TO 80 PERCENT RELATIVE HUMIDITY RANGE
indication_methodTRANSMITTING DISK SCALE
terminal_locationBACK
frequency_in_hertz60.0
sensing_element_typeHAIR INTERNAL
maximum_overall_width2.500 INCHES IN
current_rating_in_amps4.4
NSN6685-00-078-6987
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K H400A 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 H400A MFR OEM
KEY FEATURES
•
MATERIAL: COPPER ALLOY CASE
•
MAXIMUM OVERALL LENGTH: 4.875 INCHES IN
•
OPERATING RANGE: 20 TO 80 PERCENT RELATIVE HUMIDITY RANGE
•
SENSING ELEMENT TYPE: HAIR INTERNAL
•
POWER SOURCE: EXTERNAL
•
MOUNTING METHOD: BULKHEAD
•
MAXIMUM OVERALL WIDTH: 2.500 INCHES IN
•
FREQUENCY IN HERTZ: 60.0
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY CASE
MAXIMUM OVERALL LENGTH4.875 INCHES IN
OPERATING RANGE20 TO 80 PERCENT RELATIVE HUMIDITY RANGE
SENSING ELEMENT TYPEHAIR INTERNAL
POWER SOURCEEXTERNAL
MOUNTING METHODBULKHEAD
MAXIMUM OVERALL WIDTH2.500 INCHES IN
FREQUENCY IN HERTZ60.0
INDICATION METHODTRANSMITTING DISK SCALE
TERMINAL TYPE AND QUANTITY3 WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
BS41172BInterchangeable
interchangeable cross-reference
interchangeable
YAD18-8FInterchangeable
interchangeable cross-reference
interchangeable
BS2A-8Interchangeable
interchangeable cross-reference
interchangeable
H400AInterchangeable
interchangeable cross-reference
interchangeable
H44A2Interchangeable
Same NIIN cross-reference
interchangeable
32-3129Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy H400A?
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 H400A?
H400A is a INPUT BOX ASSEMBLY. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace H400A?
There are 8 known substitutes for H400A: BS41172B, YAD18-8F, BS2A-8 and 5 more. Substitute compatibility should be verified for your specific system.
Is H400A still available?
H400A is currently cancelled.
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 — H400A

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