9971-9999 — LINE SECTION,RADIO FREQUENCY TRA

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

9971-9999: LINE SECTION,RADIO FREQUENCY TRA.

LINE SECTION,RADIO FREQUENCY TRA. Key specifications include material: ALUMINUM ALLOY 6061 AND COPPER ALLOY AND STEEL CORROSION RESISTING, frequency_rating: 0.0 GIGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM, overall_diameter: 3.500 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, precious_material: RHODIUM AND SILVER, fsc_application_data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-418-6503, 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

9971-9999

NSN: 5985-00-418-6503
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 71628 — RADIO FREQUENCY SYSTEMS INC (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 6061 AND COPPER ALLOY AND STEEL CORROSION RESISTING
frequency_rating	0.0 GIGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM
overall_diameter	3.500 INCHES NOMINAL IN
special_features	WEAPON SYSTEM ESSENTIAL
precious_material	RHODIUM AND SILVER
fsc_application_data	ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
impedance_rating_in_ohms	50.0 NOMINAL
criticality_code_justification	FEAT
precious_material_and_location	EXTERNAL SURFACES RHODIUM AND EXTERNAL SURFACES SILVER
material_document_and_classification	QQ-A-250/11, ALLOY 6061, T6 FED SPEC 1ST MATERIAL RESPONSE
NSN	5985-00-418-6503

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT

•

OVERALL DIAMETER: 3.500 INCHES NOMINAL IN

•

PRECIOUS MATERIAL: RHODIUM AND SILVER

•

CRITICALITY CODE JUSTIFICATION: FEAT

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11, ALLOY 6061, T6 FED SPEC 1ST MATERIAL RESPONSE

•

IMPEDANCE RATING IN OHMS: 50.0 NOMINAL

•

PRECIOUS MATERIAL AND LOCATION: EXTERNAL SURFACES RHODIUM AND EXTERNAL SURFACES SILVER

TECHNICAL CHARACTERISTICS

FSC APPLICATION DATA	ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
OVERALL DIAMETER	3.500 INCHES NOMINAL IN
PRECIOUS MATERIAL	RHODIUM AND SILVER
CRITICALITY CODE JUSTIFICATION	FEAT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-250/11, ALLOY 6061, T6 FED SPEC 1ST MATERIAL RESPONSE
IMPEDANCE RATING IN OHMS	50.0 NOMINAL
SPECIAL FEATURES	WEAPON SYSTEM ESSENTIAL
PRECIOUS MATERIAL AND LOCATION	EXTERNAL SURFACES RHODIUM AND EXTERNAL SURFACES SILVER
FREQUENCY RATING	0.0 GIGAHERTZ MINIMUM AND 1.0 GIGAHERTZ MAXIMUM
MATERIAL	ALUMINUM ALLOY 6061 AND COPPER ALLOY AND STEEL CORROSION RESISTING

SUBSTITUTES & CROSS-REFERENCES 2

365161-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

926166Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 9971-9999?

9971-9999 is a LINE SECTION,RADIO FREQUENCY TRA.

What parts can replace 9971-9999?

There are 2 known substitutes for 9971-9999: 365161-1, 926166. Substitute compatibility should be verified for your specific system.

What is the NSN for 9971-9999?

9971-9999 is cataloged in the U.S. Government catalog under NSN 5985-00-418-6503. This indicates validated use in U.S. government and defense supply chains.

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9971-9999 — LINE SECTION,RADIO FREQUENCY TRA

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