PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-520Connector,electrica

Radio Frequency Systems Inc · NSN 5935-00-678-5997 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-678-5997 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-678-5997. Primary manufacturer part number: 20-520.
Features
  • Connector,electrica — FSC 5935
  • 1 verified cross-reference
  • Primary manufacturer: Radio Frequency Systems Inc
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,electrica, cataloged under National Stock Number 5935-00-678-5997, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Radio Frequency Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameConnector,electrica
FSC / FSG5935 — No Item Name Available (FSG 59)
ManufacturersRadio Frequency Systems Inc (CAGE 71628)
Technical Specifications
ParameterValue
NSN5935-00-678-5997
Primary Part Number20-520
Item NameConnector,electrica
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerRadio Frequency Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5325-00-232-921882-11-520-16 INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5935-00-259-3299QRE34S INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
4820-00-393-428820520 INTERCHANGEABLE
Stem,needle Valve
Grove Valve Operations
5930-01-115-6944142-4 INTERCHANGEABLE
Switch Section,rotary
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
5920-01-162-455320-520 INTERCHANGEABLE
Fuse,cartridge
Rapid Power Technologies Inc
4520-01-194-6448STD1580 INTERCHANGEABLE
Heating Element,electrical,nonim
Basic American Inc
5120-01-349-1450 INTERCHANGEABLE
Wrench,box and Open End,combinat
5330-01-386-274220520 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4820-01-439-351520520 INTERCHANGEABLE
Valve,check
Cooper Surgical
6545-01-607-339720520 INTERCHANGEABLE
Medical Equipment Set,physical T
The Hygenic Corporation
Cross-Reference Index
Part NumberManufacturer
20-520 Radio Frequency Systems Inc (USA)
Related Parts
5325-00-232-9218INTERCHANGEABLE
STUD,TURNLOCK FASTENER
82-11-520-16
5935-00-259-3299INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
QRE34S
4820-00-393-4288INTERCHANGEABLE
STEM,NEEDLE VALVE
20520
5930-01-115-6944INTERCHANGEABLE
SWITCH SECTION,ROTARY
142-4
5920-01-162-4553INTERCHANGEABLE
FUSE,CARTRIDGE
20-520
4520-01-194-6448INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
STD1580
5120-01-349-1450INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5330-01-386-2742INTERCHANGEABLE
SEAL,PLAIN ENCASED
20520
4820-01-439-3515INTERCHANGEABLE
VALVE,CHECK
20520
6545-01-607-3397INTERCHANGEABLE
MEDICAL EQUIPMENT SET,PHYSICAL T
20520
3460-01-670-9436INTERCHANGEABLE
CHUCK,DRILL
20-520

Frequently Asked Questions

What is NSN 5935-00-678-5997?

NSN 5935-00-678-5997 is a Connector,electrica, manufactured by Radio Frequency Systems Inc, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-678-5997?

NSN 5935-00-678-5997 has 1 cross-referenced part number: 20-520 (Radio Frequency Systems Inc).

What NSN replaces 5935-00-678-5997?

There are 11 known substitutes for 5935-00-678-5997: 5325-00-232-9218, 5935-00-259-3299, 4820-00-393-4288 and 8 more. Verify interchangeability with system specifications before substitution.

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