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XA21L1 — ISOLATOR,RADIO FREQUENCY REFLECT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

XA21L1: ISOLATOR,RADIO FREQUENCY REFLECT.

ISOLATOR,RADIO FREQUENCY REFLECT. Key specifications include width: 1.690 INCHES NOMINAL IN, length: 1.692 INCHES NOMINAL IN, flange_type: COVER, overall_width: 2.349 INCHES NOMINAL IN, overall_height: 2.378 INCHES NOMINAL IN, overall_length: 6.001 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-157-4543, 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
XA21L1
NSN: 5985-01-157-4543
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 14135 — E AND M LABORATORIES DIV OF TRAK MICROWAVE CORP (USA)
SPECIFICATIONS
width1.690 INCHES NOMINAL IN
length1.692 INCHES NOMINAL IN
flange_typeCOVER
overall_width2.349 INCHES NOMINAL IN
overall_height2.378 INCHES NOMINAL IN
overall_length6.001 INCHES NOMINAL IN
flange_quantity2
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
frequency_range_rating+7.0 TO 11.0 GIGAHERTZ
flange_connecting_hole_diameter0.169 INCHES NOMINAL IN
flange_connection_facility_quantity4
NSN5985-01-157-4543
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ISOLATOR,RADIO FREQUENCY REFLECT TITLE COMPONENT PN XA21L1 MFR ISOLATOR,RADIO FREQUEN
KEY FEATURES
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
•
LENGTH: 1.692 INCHES NOMINAL IN
•
FLANGE QUANTITY: 2
•
FLANGE TYPE: COVER
•
FLANGE CONNECTING HOLE DIAMETER: 0.169 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.378 INCHES NOMINAL IN
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
LENGTH1.692 INCHES NOMINAL IN
FLANGE QUANTITY2
FLANGE TYPECOVER
OVERALL LENGTH6.001 INCHES NOMINAL IN
OVERALL WIDTH2.349 INCHES NOMINAL IN
FLANGE CONNECTING HOLE DIAMETER0.169 INCHES NOMINAL IN
FREQUENCY RANGE RATING+7.0 TO 11.0 GIGAHERTZ
FLANGE CONNECTION FACILITY QUANTITY4
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 1
XHG1020Same 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 procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is XA21L1?
XA21L1 is a ISOLATOR,RADIO FREQUENCY REFLECT.
What parts can replace XA21L1?
There is 1 known substitute for XA21L1: XHG1020. Substitute compatibility should be verified for your specific system.
What is the NSN for XA21L1?
XA21L1 is cataloged in the U.S. Government catalog under NSN 5985-01-157-4543. 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.