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Technical Data Sheet
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1166566REV4 — BASE,MAST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1166566REV4: BASE,MAST.

The BASE,MAST is a the manufacturer industrial component. Key specifications include overall_length: 1.062 INCHES NOMINAL IN, mounting_method: THREADED BASE, overall_diameter: 2.312 INCHES NOMINAL IN, basic_shape_style: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-313-7610, 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
1166566REV4
NSN: 5985-00-313-7610
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
overall_length1.062 INCHES NOMINAL IN
mounting_methodTHREADED BASE
overall_diameter2.312 INCHES NOMINAL IN
basic_shape_styleCYLINDRICAL
mounting_facility_quantity1
NSN5985-00-313-7610
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BASE,MAST TITLE COMPONENT PN 1166566REV4 MFR BASE,MAST
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 1
•
OVERALL DIAMETER: 2.312 INCHES NOMINAL IN
•
MOUNTING METHOD: THREADED BASE
•
BASIC SHAPE STYLE: CYLINDRICAL
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY1
OVERALL DIAMETER2.312 INCHES NOMINAL IN
MOUNTING METHODTHREADED BASE
OVERALL LENGTH1.062 INCHES NOMINAL IN
BASIC SHAPE STYLECYLINDRICAL
SUBSTITUTES & CROSS-REFERENCES 2
B-3022-XReference document
Same NSN cross-reference
Reference document — Secondary reference
AS-515/SPGSame 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
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FREQUENTLY ASKED QUESTIONS
What is 1166566REV4?
1166566REV4 is a BASE,MAST.
What parts can replace 1166566REV4?
There are 2 known substitutes for 1166566REV4: B-3022-X, AS-515/SPG. Substitute compatibility should be verified for your specific system.
What is the NSN for 1166566REV4?
1166566REV4 is cataloged in the U.S. Government catalog under NSN 5985-00-313-7610. 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.