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721788-1 — ISOLATOR,RADIO FREQUENCY REFLECT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

721788-1: ISOLATOR,RADIO FREQUENCY REFLECT.

ISOLATOR,RADIO FREQUENCY REFLECT. Key specifications include width: 0.170 INCHES NOMINAL IN, length: 0.340 INCHES NOMINAL IN, flange_type: COVER, document_type: MILITARY SPECIFICATION, overall_width: 3.850 INCHES NOMINAL IN, overall_height: 3.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-157-4542, 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
721788-1
NSN: 5985-01-157-4542
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
width0.170 INCHES NOMINAL IN
length0.340 INCHES NOMINAL IN
flange_typeCOVER
document_typeMILITARY SPECIFICATION
overall_width3.850 INCHES NOMINAL IN
overall_height3.250 INCHES NOMINAL IN
overall_length7.700 INCHES NOMINAL IN
flange_quantity2
connector_quantity2
frequency_range_rating+7.0 TO 11.0 GIGAHERTZ
document_identificationMIL-F-3922/70A A
identification_designatorTYPE UG-1493/U
NSN5985-01-157-4542
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ISOLATOR,RADIO FREQUENCY REFLECT TITLE COMPONENT PN 721788-1 MFR ISOLATOR,RADIO FREQUEN
KEY FEATURES
•
DOCUMENT TYPE: MILITARY SPECIFICATION
•
LENGTH: 0.340 INCHES NOMINAL IN
•
FLANGE QUANTITY: 2
•
FLANGE TYPE: COVER
•
FLANGE CONNECTING HOLE DIAMETER: 0.169 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.250 INCHES NOMINAL IN
DOCUMENT TYPEMILITARY SPECIFICATION
LENGTH0.340 INCHES NOMINAL IN
FLANGE QUANTITY2
FLANGE TYPECOVER
OVERALL LENGTH7.700 INCHES NOMINAL IN
OVERALL WIDTH3.850 INCHES NOMINAL IN
FLANGE CONNECTING HOLE DIAMETER0.169 INCHES NOMINAL IN
IDENTIFICATION DESIGNATORTYPE UG-1493/U
CONNECTOR QUANTITY2
OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876
SUBSTITUTES & CROSS-REFERENCES 2
XA30HIReference document
Same NSN cross-reference
Reference document — Secondary reference
XHG10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 721788-1?
721788-1 is a ISOLATOR,RADIO FREQUENCY REFLECT.
What parts can replace 721788-1?
There are 2 known substitutes for 721788-1: XA30HI, XHG10. Substitute compatibility should be verified for your specific system.
What is the NSN for 721788-1?
721788-1 is cataloged in the U.S. Government catalog under NSN 5985-01-157-4542. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.