PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-C-939304-1Base,antenna Support

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5985-01-205-0857 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-205-0857 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-205-0857. Primary manufacturer part number: SM-C-939304-1.
Features
  • Base,antenna Support — FSC 5985
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Mounting Method: THREADED STUD(S)
  • Mounting Facility Quantity: 1
  • Basic Shape Style: CYLINDRICAL
  • 3 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Base,antenna Support, cataloged under National Stock Number 5985-01-205-0857, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-205-0857
Primary Part NumberSM-C-939304-1
Item NameBase,antenna Support
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Mounting MethodTHREADED STUD(S)
Mounting Facility Quantity1
Basic Shape StyleCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5307-00-206-7950187101 INTERCHANGEABLE
Stud,plain
Airmotive Carburetor
5950-01-020-07615-696-01 INTERCHANGEABLE
Transformer,power
Eldec Aerospace Corp
5340-01-040-5953PLGA1871010A INTERCHANGEABLE
Plug Assembly,sealing
The Lee Co Dba the Lee Co
5340-01-560-07871871-01 INTERCHANGEABLE
Retainer,helical Compression Spr
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
187101 Apex Airtronics, Inc. (USA)
SM-C-939304-1 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SMC939304-1 Apex Airtronics, Inc. (USA)
Related Parts
5307-00-206-7950INTERCHANGEABLE
STUD,PLAIN
187101
5950-01-020-0761INTERCHANGEABLE
TRANSFORMER,POWER
5-696-01
5340-01-040-5953INTERCHANGEABLE
PLUG ASSEMBLY,SEALING
PLGA1871010A
5340-01-560-0787INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
1871-01

Frequently Asked Questions

What is NSN 5985-01-205-0857?

NSN 5985-01-205-0857 is a Base,antenna Support, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-205-0857?

NSN 5985-01-205-0857 has 3 cross-referenced part numbers: 187101 (Apex Airtronics, Inc.), SM-C-939304-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SMC939304-1 (Apex Airtronics, Inc.).

What NSN replaces 5985-01-205-0857?

There are 4 known substitutes for 5985-01-205-0857: 5307-00-206-7950, 5950-01-020-0761, 5340-01-040-5953 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-C-939304-1?

Key specifications for SM-C-939304-1: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Mounting Method: THREADED STUD(S); Mounting Facility Quantity: 1; Basic Shape Style: CYLINDRICAL. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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