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PartsTable / COMPONENT / HL8D24BU
HL8D24BU ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The TEST SET,FIRE CONTROL SYSTEM is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6350-01-687-2421, 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
HL8D24BU
NSN: 6350-01-687-2421
FSC: 6350
CAGE: 73274 — HOSE-MCCANN TELEPHONE CO, INC (USA)
SPECIFICATIONS
Part NumberHL8D24BU
NSN6350-01-687-2421
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TEST SET,FIRE CONTROL SYSTEM TITLE COMPONENT PN HL8D24BU MFR TEST SET,FIRE CONTROL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
555-180275 REV B SHEET 4 F/N 4Interchangeable
interchangeable cross-reference
interchangeable
555-180275Interchangeable
interchangeable cross-reference
interchangeable
14590Interchangeable
interchangeable cross-reference
interchangeable
555-180275 REV B SHEET 5 NO 12Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HL8D24BU?
HL8D24BU is a TEST SET,FIRE CONTROL SYSTEM.
What parts can replace HL8D24BU?
There are 4 known substitutes for HL8D24BU: 555-180275 REV B SHEET 4 F/N 4, 555-180275, 14590 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HL8D24BU?
HL8D24BU is cataloged in the Federal Logistics Information System (FLIS) under NSN 6350-01-687-2421. 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