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Technical Data Sheet
PartsTable / COMPONENT / 178964
178964 ✓ 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 DIAPHRAGM,HORN is a the manufacturer industrial component. Key specifications include special_features: COPPER ALLOY PLATE;0.0156 IN. THK;2.562 IN.

DIA IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6350-00-753-9234, 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
178964
NSN: 6350-00-753-9234
FSC: 6350
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
special_featuresCOPPER ALLOY PLATE;0.0156 IN. THK;2.562 IN. DIA IN
NSN6350-00-753-9234
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DIAPHRAGM,HORN TITLE COMPONENT PN 178964 MFR DIAPHRAGM,HORN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESCOPPER ALLOY PLATE;0.0156 IN. THK;2.562 IN. DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
319926Interchangeable
interchangeable cross-reference
interchangeable
G319926Interchangeable
interchangeable cross-reference
interchangeable
972-1Interchangeable
interchangeable cross-reference
interchangeable
398369Interchangeable
interchangeable cross-reference
interchangeable
666092-730Interchangeable
interchangeable cross-reference
interchangeable
9023183Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 178964?
178964 is a DIAPHRAGM,HORN.
What parts can replace 178964?
There are 8 known substitutes for 178964: 319926, G319926, 972-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 178964?
178964 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6350-00-753-9234. 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