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135820-1 — SUPPORT,ANTENNA

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

135820-1: SUPPORT,ANTENNA.

The SUPPORT,ANTENNA is a the manufacturer industrial component. Key specifications include material: STEEL, overall_depth: 4.000 INCHES NOMINAL IN, overall_width: 24.000 INCHES NOMINAL IN, overall_length: 24.000 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), basic_shape_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-172-9926, 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
135820-1
NSN: 5985-01-172-9926
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 13030 — LOCKHEED MARTIN SIPPICAN, INC. DIV COMMUNICATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL
overall_depth4.000 INCHES NOMINAL IN
overall_width24.000 INCHES NOMINAL IN
overall_length24.000 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
basic_shape_styleSQUARE
surface_treatmentPAINT
mounting_hole_typePLAIN
mounting_hole_diameter0.953 INCHES MINIMUM AND 0.962 INCHES MAXIMUM IN
mounting_facility_quantity12
distance_between_mounting_facility_centers20.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5985-01-172-9926
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPORT,ANTENNA TITLE COMPONENT PN 135820-1 MFR SUPPORT,ANTENNA
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 12
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
MOUNTING HOLE DIAMETER: 0.953 INCHES MINIMUM AND 0.962 INCHES MAXIMUM IN
•
BASIC SHAPE STYLE: SQUARE
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 20.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
SURFACE TREATMENT: PAINT
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY12
MOUNTING METHODUNTHREADED HOLE(S)
MOUNTING HOLE DIAMETER0.953 INCHES MINIMUM AND 0.962 INCHES MAXIMUM IN
OVERALL LENGTH24.000 INCHES NOMINAL IN
OVERALL WIDTH24.000 INCHES NOMINAL IN
BASIC SHAPE STYLESQUARE
DISTANCE BETWEEN MOUNTING FACILITY CENTERS20.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SURFACE TREATMENTPAINT
MATERIALSTEEL
MOUNTING HOLE TYPEPLAIN
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
E135820-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 135820-1?
135820-1 is a SUPPORT,ANTENNA.
What parts can replace 135820-1?
There is 1 known substitute for 135820-1: E135820-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 135820-1?
135820-1 is cataloged in the U.S. Government catalog under NSN 5985-01-172-9926. 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.