PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 638948
638948 ✓ 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 MONITOR,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include valve_operation_method: AUTOMATIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3433-00-355-6243, 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
638948
NSN: 3433-00-355-6243
FSC: 3433
CAGE: 36346 — UNION CARBIDE CORP SUB OF DOW CO THE (USA)
SPECIFICATIONS
valve_operation_methodAUTOMATIC
NSN3433-00-355-6243
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MONITOR,AUDIO FREQUENCY TITLE COMPONENT PN 638948 MFR MONITOR,AUDIO FREQUENC
KEY FEATURES
•
MATERIAL: COPPER ALLOY
•
STYLE DESIGNATOR: ONE PIECE
•
ATTACHMENT METHOD: THREAD
•
FUEL TYPE: ACETYLENE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
STYLE DESIGNATORONE PIECE
ATTACHMENT METHODTHREAD
SPECIAL FEATURESNO.1A FINE TIP A
FUEL TYPEACETYLENE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
S21Interchangeable
interchangeable cross-reference
interchangeable
521Interchangeable
interchangeable cross-reference
interchangeable
00H581TYPE3CLASS1STYLEBSIZECS41Interchangeable
interchangeable cross-reference
interchangeable
B107.2 CL1STAInterchangeable
interchangeable cross-reference
interchangeable
B107.110Interchangeable
interchangeable cross-reference
interchangeable
B107.2 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 638948?
638948 is a MONITOR,AUDIO FREQUENCY.
What parts can replace 638948?
There are 19 known substitutes for 638948: S21, 521, 00H581TYPE3CLASS1STYLEBSIZECS41 and 16 more. Substitute compatibility should be verified for your specific system.
Is 638948 still available?
638948 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