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Technical Data Sheet
PartsTable / COMPONENT / PLAN NO. 640
PLAN NO. 640 ✓ 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 PLAN NO. 640 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6350-01-089-8128, 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
PLAN NO. 640
NSN: 6350-01-089-8128
FSC: 6350
CAGE: 75214 — KAHLENBERG INDUSTRIES, INC. DBA KAHLENBERG INDUSTRIES INC (USA)
SPECIFICATIONS
Part NumberPLAN NO. 640
NSN6350-01-089-8128
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLAN NO. 640 TITLE COMPONENT PN PLAN NO. 640 MFR PLAN NO. 640
KEY FEATURES
•
DISCHARGE CONNECTION TYPE: THREADED MALE
•
SOUND SIGNAL DIRECTION QUANTITY: 1
•
PROJECTOR OVERALL LENGTH: 19.375 INCHES NOMINAL IN
•
DISCHARGE CONNECTION THREAD SERIES: UNS
•
OPERATION METHOD: AIR
•
PROJECTOR FLARE MAXIMUM OUTSIDE DIAMETER: 10.000 INCHES IN
•
PROJECTOR TYPE: CURVED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH21.687 INCHES NOMINAL IN
DISCHARGE CONNECTION TYPETHREADED MALE
SOUND SIGNAL DIRECTION QUANTITY1
PROJECTOR OVERALL LENGTH19.375 INCHES NOMINAL IN
DISCHARGE CONNECTION THREAD SERIESUNS
OPERATION METHODAIR
PROJECTOR FLARE MAXIMUM OUTSIDE DIAMETER10.000 INCHES IN
PROJECTOR TYPECURVED
DISCHARGE CONNECTION SIZE2.625 INCHES IN
PROJECTOR QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
865032Interchangeable
interchangeable cross-reference
interchangeable
P556Interchangeable
interchangeable cross-reference
interchangeable
34-403Interchangeable
interchangeable cross-reference
interchangeable
DH34403Interchangeable
interchangeable cross-reference
interchangeable
99-1445863Interchangeable
interchangeable cross-reference
interchangeable
34403GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PLAN NO. 640?
PLAN NO. 640 is a PLAN NO. 640.
What parts can replace PLAN NO. 640?
There are 11 known substitutes for PLAN NO. 640: 865032, P556, 34-403 and 8 more. Substitute compatibility should be verified for your specific system.
Is PLAN NO. 640 still available?
PLAN NO. 640 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026