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Technical Data Sheet
PartsTable / COMPONENT / 1B37A
1B37A ✓ 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 ELECTRON TUBE is a the manufacturer industrial component. Key specifications include tube_type: ANTITRANSMIT-RECEIVE, specification/standard_data: 81349-MIL-E-1/22 GOVERNMENT SPECIFICATION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-220-6892, 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
1B37A
NSN: 5960-00-220-6892
FSC: 5960
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
tube_typeANTITRANSMIT-RECEIVE
specification/standard_data81349-MIL-E-1/22 GOVERNMENT SPECIFICATION
NSN5960-00-220-6892
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRON TUBE TITLE COMPONENT PN 1B37A MFR ELECTRON TUBE
KEY FEATURES
•
TEST DATA DOCUMENT: 81349-MIL-E-1 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
TUBE TYPE: ANTITRANSMIT-RECEIVE
•
SPECIFICATION/STANDARD DATA: 81349-MIL-E-1/22 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
TEST DATA DOCUMENT81349-MIL-E-1 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TUBE TYPEANTITRANSMIT-RECEIVE
SPECIFICATION/STANDARD DATA81349-MIL-E-1/22 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1B35AInterchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-1/22Interchangeable
interchangeable cross-reference
interchangeable
MILE1-420Interchangeable
interchangeable cross-reference
interchangeable
6162Interchangeable
interchangeable cross-reference
interchangeable
5864Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B37A?
1B37A is a ELECTRON TUBE.
What parts can replace 1B37A?
There are 5 known substitutes for 1B37A: 1B35A, MIL-PRF-1/22, MILE1-420 and 2 more. Substitute compatibility should be verified for your specific system.
Is 1B37A still available?
1B37A 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