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SIB-939 — SUPPORT,ANTENNA

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SIB-939: SUPPORT,ANTENNA.

The SUPPORT,ANTENNA is a the manufacturer industrial component. Key specifications include material: PLASTIC, overall_width: 7.250 INCHES NOMINAL IN, overall_height: 0.250 INCHES NOMINAL IN, overall_length: 11.000 INCHES NOMINAL IN, mounting_method: SLOT, basic_shape_style: IRREGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-261-6453, 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
SIB-939
NSN: 5985-01-261-6453
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 65884 — SIGMATION INC (USA)
SPECIFICATIONS
materialPLASTIC
overall_width7.250 INCHES NOMINAL IN
overall_height0.250 INCHES NOMINAL IN
overall_length11.000 INCHES NOMINAL IN
mounting_methodSLOT
basic_shape_styleIRREGULAR
mounting_slot_width0.280 INCHES NOMINAL IN
mounting_slot_length1.280 INCHES NOMINAL IN
mounting_facility_quantity3
NSN5985-01-261-6453
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPORT,ANTENNA TITLE COMPONENT PN SIB-939 MFR SUPPORT,ANTENNA
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 3
•
MOUNTING SLOT LENGTH: 1.280 INCHES NOMINAL IN
•
MOUNTING METHOD: SLOT
•
BASIC SHAPE STYLE: IRREGULAR
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY3
MOUNTING SLOT LENGTH1.280 INCHES NOMINAL IN
MOUNTING METHODSLOT
OVERALL LENGTH11.000 INCHES NOMINAL IN
OVERALL WIDTH7.250 INCHES NOMINAL IN
BASIC SHAPE STYLEIRREGULAR
MATERIALPLASTIC
MOUNTING SLOT WIDTH0.280 INCHES NOMINAL IN
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 3
5035689-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
BP11767Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5035689Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SIB-939?
SIB-939 is a SUPPORT,ANTENNA.
What parts can replace SIB-939?
There are 3 known substitutes for SIB-939: 5035689-1, BP11767, 5035689. Substitute compatibility should be verified for your specific system.
What is the NSN for SIB-939?
SIB-939 is cataloged in the U.S. Government catalog under NSN 5985-01-261-6453. 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.