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6991-4 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
Esselte · COMPONENT
PRODUCT OVERVIEW

6991-4: TRANSFORMER,RADIO FREQUENCY.

T-distributor permits operation of 2 TV receivers via one antenna port. Distributor is BZT certified and its die-cast chassis is shielded against high-frequency signals. Key specifications include body_length: 0.675 INCHES NOMINAL IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY, turn_quantity: 8-1/2 SINGLE COMPONENT SINGLE PRIMARY, coil_form_type: AIR WOUND SINGLE COMPONENT, inclosure_type: OPEN, mounting_method: THREADED BUSHING SINGLE GROUP.

This part is cataloged in the U.S. Government catalog under NSN 5950-00-477-7563, 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
6991-4
NSN: 5950-00-477-7563
NIINs: 004777563, 011169594
FSC: 5950 — Coils and Transformers
CAGE: 04213 — CADDELL BURNS MANUFACTURING CO INC (USA)
SPECIFICATIONS
body_length0.675 INCHES NOMINAL IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
turn_quantity8-1/2 SINGLE COMPONENT SINGLE PRIMARY
coil_form_typeAIR WOUND SINGLE COMPONENT
inclosure_typeOPEN
mounting_methodTHREADED BUSHING SINGLE GROUP
special_featuresTAPPED AT 4-3/4 TURNS
loop_inside_diameter1.625 INCHES NOMINAL IN
body_outside_diameter0.290 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
winding_conductor_size0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
terminal_type_and_quantity3 WIRE LEAD
NSN5950-00-477-7563
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Esselte TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN 6991-4 MFR Esselte TRANSFORMER,RADIO FREQ
KEY FEATURES
•
INCLOSURE TYPE: OPEN
•
BODY OUTSIDE DIAMETER: 0.290 INCHES NOMINAL IN
•
TURN QUANTITY: 8-1/2 SINGLE COMPONENT SINGLE PRIMARY
•
MOUNTING METHOD: THREADED BUSHING SINGLE GROUP
•
WINDING CONDUCTOR SIZE: 0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
•
COIL FORM TYPE: AIR WOUND SINGLE COMPONENT
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY SINGLE COMPONENT
•
BODY LENGTH: 0.675 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INCLOSURE TYPEOPEN
BODY OUTSIDE DIAMETER0.290 INCHES NOMINAL IN
TURN QUANTITY8-1/2 SINGLE COMPONENT SINGLE PRIMARY
MOUNTING METHODTHREADED BUSHING SINGLE GROUP
WINDING CONDUCTOR SIZE0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
COIL FORM TYPEAIR WOUND SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY1 PRIMARY SINGLE COMPONENT
BODY LENGTH0.675 INCHES NOMINAL IN
RATING METHODWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
RELIABILITY INDICATORNOT ESTABLISHED
SUBSTITUTES & CROSS-REFERENCES 2
38969-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
038969-0004Reference 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 6991-4?
6991-4 is a TRANSFORMER,RADIO FREQUENCY manufactured by Esselte.
What parts can replace 6991-4?
There are 2 known substitutes for 6991-4: 38969-4, 038969-0004. Substitute compatibility should be verified for your specific system.
What is the NSN for 6991-4?
6991-4 is cataloged in the U.S. Government catalog under NSN 5950-00-477-7563. This indicates validated use in U.S. government and defense supply chains.
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