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663280 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

663280: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 0.469 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: TERMINAL SINGLE GROUP, frequency_rating: 400.0 HERTZ MAXIMUM SINGLE COMPONENT, body_outside_diameter: 0.344 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-192-3967, 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
663280
NSN: 4820-00-192-3967
NIINs: 001923967, 007356153
FSC: 4820 — Valves, Nonpowered
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
body_length0.469 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTERMINAL SINGLE GROUP
frequency_rating400.0 HERTZ MAXIMUM SINGLE COMPONENT
body_outside_diameter0.344 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp105.0 CELSIUS DEGC
impedance_rating_in_ohms2500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
terminal_type_and_quantity5 WIRE LEAD
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
maximum_transformer_power_rating100.0 MILLIWATTS SINGLE COMPONENT
NSN4820-00-192-3967
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 663280 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
10183426Reference document
Same NSN cross-reference
Reference document — Informative reference only
663280-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 663280?
663280 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 663280?
There are 2 known substitutes for 663280: 10183426, 663280-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 663280?
663280 is cataloged in the U.S. Government catalog under NSN 4820-00-192-3967. 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.