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Technical Data Sheet
PartsTable / COMPONENT / 99/1838-A00
99/1838-A00 ✓ 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 99/1838-A00 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 5985-00-943-8447, 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
99/1838-A00
NSN: 5985-00-943-8447
FSC: 5985
CAGE: 28916 — ATLANTIC MICROWAVE CORPORATION DIV COBHAM ELECTRONIC SYSTEMS (USA)
SPECIFICATIONS
Part Number99/1838-A00
NSN5985-00-943-8447
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 99/1838-A00 TITLE COMPONENT PN 99/1838-A00 MFR 99/1838-A00
KEY FEATURES
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WAVEGUIDE LONGER OFFSET DISTANCE: 3.840 INCHES NOMINAL IN
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WAVEGUIDE INSIDE WIDTH: 1.872 INCHES NOMINAL IN
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FLANGE STYLE: COVER TYPE SECOND FLANGE
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THREAD SERIES DESIGNATOR: UNF ALL FLANGES ALL CONNECTION FACILITIES
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NOMINAL THREAD SIZE: 0.190 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
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FLANGE CONNECTING FACILITY AND QUANTITY: 8 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
•
FLANGE INSIDE HEIGHT: 0.872 INCHES NOMINAL SECOND FLANGE IN
•
FLANGE INSIDE WIDTH: 1.872 INCHES NOMINAL SECOND FLANGE IN
TECHNICAL CHARACTERISTICS (FLIS)
WAVEGUIDE LONGER OFFSET DISTANCE3.840 INCHES NOMINAL IN
WAVEGUIDE INSIDE WIDTH1.872 INCHES NOMINAL IN
FLANGE STYLECOVER TYPE SECOND FLANGE
THREAD SERIES DESIGNATORUNF ALL FLANGES ALL CONNECTION FACILITIES
NOMINAL THREAD SIZE0.190 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
FLANGE CONNECTING FACILITY AND QUANTITY8 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
FLANGE INSIDE HEIGHT0.872 INCHES NOMINAL SECOND FLANGE IN
FLANGE INSIDE WIDTH1.872 INCHES NOMINAL SECOND FLANGE IN
WAVEGUIDE OUTSIDE WIDTH2.000 INCHES NOMINAL IN
FLANGE STYLECHOKE TYPE FIRST FLANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
301-55Interchangeable
interchangeable cross-reference
interchangeable
4265-AInterchangeable
interchangeable cross-reference
interchangeable
11555Interchangeable
interchangeable cross-reference
interchangeable
5-275XInterchangeable
interchangeable cross-reference
interchangeable
12265-1Interchangeable
interchangeable cross-reference
interchangeable
1192-0083Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99/1838-A00?
99/1838-A00 is a 99/1838-A00.
What parts can replace 99/1838-A00?
There are 11 known substitutes for 99/1838-A00: 301-55, 4265-A, 11555 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99/1838-A00?
99/1838-A00 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-943-8447. 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