PartsTable
Technical Data Sheet
Download PDF

300190-2 — ISOLATOR,RADIO FREQUENCY REFLECT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

300190-2: ISOLATOR,RADIO FREQUENCY REFLECT.

ISOLATOR,RADIO FREQUENCY REFLECT. Key specifications include width: 1.500 INCHES NOMINAL IN, length: 3.000 INCHES NOMINAL IN, body_style: BUSHING MOUNTED, body_length: 0.830 INCHES MAXIMUM IN, flange_type: COVER, document_type: MILITARY SPECIFICATION. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-111-4539, 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
MRO→ MRO_GENERAL→ 300190-2
NSN: 5985-00-111-4539
NIINs: 001114539, 011126162
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 53613 — GOULD INC DEFENSE SYSTEMS NAVCOM SYSTEMS DIV 3DBM OPNS (USA)
SPECIFICATIONS
width1.500 INCHES NOMINAL IN
length3.000 INCHES NOMINAL IN
body_styleBUSHING MOUNTED
body_length0.830 INCHES MAXIMUM IN
flange_typeCOVER
document_typeMILITARY SPECIFICATION
overall_width0.830 INCHES MAXIMUM IN
bushing_length0.580 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.390 INCHES NOMINAL IN
overall_length0.830 INCHES MAXIMUM IN
actuator_height0.300 INCHES NOMINAL IN
NSN5985-00-111-4539
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ISOLATOR,RADIO FREQUENCY REFLECT TITLE COMPONENT PN 300190-2 MFR ISOLATOR,RADIO FREQUEN
KEY FEATURES
•
DOCUMENT TYPE: MILITARY SPECIFICATION
•
LENGTH: 3.000 INCHES NOMINAL IN
•
FLANGE QUANTITY: 2
•
OVERALL DIAMETER: 5.250 INCHES NOMINAL IN
•
FLANGE TYPE: COVER
•
IDENTIFICATION DESIGNATOR: TYPE UG-53/U
•
FREQUENCY RANGE RATING: +2.887 TO 2.893 GIGAHERTZ
TECHNICAL CHARACTERISTICS
DOCUMENT TYPEMILITARY SPECIFICATION
LENGTH3.000 INCHES NOMINAL IN
FLANGE QUANTITY2
OVERALL DIAMETER5.250 INCHES NOMINAL IN
FLANGE TYPECOVER
OVERALL LENGTH4.750 INCHES NOMINAL IN
IDENTIFICATION DESIGNATORTYPE UG-53/U
FREQUENCY RANGE RATING+2.887 TO 2.893 GIGAHERTZ
DOCUMENT IDENTIFICATIONMIL-F-3922
FLANGE CONNECTION FACILITY QUANTITY6
SUBSTITUTES & CROSS-REFERENCES 2
MA8P17Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
G300190S2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
Ready to buy 300190-2?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 300190-2?
300190-2 is a ISOLATOR,RADIO FREQUENCY REFLECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 300190-2?
There are 2 known substitutes for 300190-2: MA8P17, G300190S2. Substitute compatibility should be verified for your specific system.
What is the NSN for 300190-2?
300190-2 is cataloged in the U.S. Government catalog under NSN 5985-00-111-4539. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 300190-2

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.