PartsTable
Technical Data Sheet

400H(L/BSM)KTU — 400H(L/BSM)KTU

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

400H(L/BSM)KTU: 400H(L/BSM)KTU.

The 400H(L/BSM)KTU is a the manufacturer industrial component. Key specifications include overall_width: 1.438 INCHES NOMINAL IN, overall_height: 3.500 INCHES NOMINAL IN, overall_length: 5.312 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: FSC APPLICATION DATA: TELEPHONE AND TELEGRAPH EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 5998-00-422-4609, 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
MRO→ MRO_GENERAL→ 400H(L/BSM)KTU
NSN: 5998-00-422-4609
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
CAGE: 3B4M0 — LUCENT TECHNOLOGIES INC CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
overall_width1.438 INCHES NOMINAL IN
overall_height3.500 INCHES NOMINAL IN
overall_length5.312 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyFSC APPLICATION DATA: TELEPHONE AND TELEGRAPH EQUIPMENT
NSN5998-00-422-4609
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 400H(L/BSM)KTU MFR 400H(L/BSM)KTU
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.500 INCHES NOMINAL IN
OVERALL LENGTH5.312 INCHES NOMINAL IN
OVERALL WIDTH1.438 INCHES NOMINAL IN
SPECIAL FEATURESPRINTED WIRING BOARD 1,CAPACITOR 5,RESISTOR 13,DIODE 3,TRANSISTOR 2,RELAY 3,TERMINAL BLOCK 1
PART NAME ASSIGNED BY CONTROLLING AGENCYFSC APPLICATION DATA: TELEPHONE AND TELEGRAPH EQUIPMENT
SUBSTITUTES & CROSS-REFERENCES 8
400DKEYUNITReference document
Same NSN cross-reference
Reference document — Secondary reference
QUN10DReference document
Same NSN cross-reference
Reference document — Secondary reference
4000-208Reference document
Same NSN cross-reference
Reference document — Secondary reference
705951-900Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
QUN10CReference document
Same NSN cross-reference
Reference document — Secondary reference
LC400-3DReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 400H(L/BSM)KTU?
400H(L/BSM)KTU is a 400H(L/BSM)KTU. It is classified as a MRO (MRO_GENERAL).
What parts can replace 400H(L/BSM)KTU?
There are 8 known substitutes for 400H(L/BSM)KTU: 400DKEYUNIT, QUN10D, 4000-208 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 400H(L/BSM)KTU?
400H(L/BSM)KTU is cataloged in the U.S. Government catalog under NSN 5998-00-422-4609. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.