PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SRT-4A-20Antenna Subassembly

Blonder Tongue Laboratories, Inc. · NSN 5985-01-065-5620 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-065-5620 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-065-5620. Primary manufacturer part number: SRT-4A-20.
Features
  • Antenna Subassembly — FSC 5985
  • Component Type and Quantity: 1 CHASSIS AND 4 RESISTOR AND 5 TRANSFORMER
  • 3 verified cross-references
  • Primary manufacturer: Blonder Tongue Laboratories, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Antenna Subassembly, cataloged under National Stock Number 5985-01-065-5620, 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 Blonder Tongue Laboratories, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-065-5620
Primary Part NumberSRT-4A-20
Item NameAntenna Subassembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerBlonder Tongue Laboratories, Inc.
StatusACTIVE
Component Type and Quantity1 CHASSIS AND 4 RESISTOR AND 5 TRANSFORMER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-155-9548 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-3485202KLL3FS50381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5999-00-177-17707770355PT1 INTERCHANGEABLE
Clip,electrical
General Electric Company
9540-00-231-9911 INTERCHANGEABLE
Angle,structural
6240-00-916-2807GE4613 INTERCHANGEABLE
Lamp,incandescent
U S Dept of Transportation Federal Aviation Administration
5935-01-005-14934613 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Keystone Electronics Corp
6210-01-077-291378961 INTERCHANGEABLE
Light,marker,airport Runway
U S Dept of Transportation Federal Aviation Administration
4820-01-291-0955461-3 INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
4810-01-329-58024613 INTERCHANGEABLE
Body,valve
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
6515-01-555-4167 INTERCHANGEABLE
Administration Set,winged
Cross-Reference Index
Part NumberManufacturer
4613 Blonder Tongue Laboratories, Inc. (USA)
STB-4613-20 Blonder Tongue Laboratories, Inc. (USA)
SRT-4A-20 PRIMARY Blonder Tongue Laboratories, Inc. (USA)
Related Parts
3110-00-155-9548INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-3485INTERCHANGEABLE
BEARING,BALL,ANNULAR
202KLL3FS50381A
5999-00-177-1770INTERCHANGEABLE
CLIP,ELECTRICAL
7770355PT1
9540-00-231-9911INTERCHANGEABLE
ANGLE,STRUCTURAL
6240-00-916-2807INTERCHANGEABLE
LAMP,INCANDESCENT
GE4613
5935-01-005-1493INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4613
6210-01-077-2913INTERCHANGEABLE
LIGHT,MARKER,AIRPORT RUNWAY
78961
4820-01-291-0955INTERCHANGEABLE
VALVE,GATE
461-3
4810-01-329-5802INTERCHANGEABLE
BODY,VALVE
4613
6515-01-555-4167INTERCHANGEABLE
ADMINISTRATION SET,WINGED

Frequently Asked Questions

What is NSN 5985-01-065-5620?

NSN 5985-01-065-5620 is a Antenna Subassembly, manufactured by Blonder Tongue Laboratories, Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-065-5620?

NSN 5985-01-065-5620 has 3 cross-referenced part numbers: 4613 (Blonder Tongue Laboratories, Inc.), STB-4613-20 (Blonder Tongue Laboratories, Inc.), SRT-4A-20 (Blonder Tongue Laboratories, Inc.).

What NSN replaces 5985-01-065-5620?

There are 10 known substitutes for 5985-01-065-5620: 3110-00-155-9548, 3110-00-156-3485, 5999-00-177-1770 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SRT-4A-20?

Key specifications for SRT-4A-20: Special Features: MOUNTING CONFIGURATION:FLANGE MTD,TWO 0.188 IN.DIA HOLES,CENTER TO CENTER DISTANCE BETWEEN MTG HOLES 2.375 IN. IN; Component Type and Quantity: 1 CHASSIS AND 4 RESISTOR AND 5 TRANSFORMER. 2 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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