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330239 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

330239: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 0.750 INCHES MAXIMUM IN, body_height: 0.750 INCHES MAXIMUM IN, body_length: 0.875 INCHES MAXIMUM IN, body_material: STEEL, inclosure_type: FULLY INCLOSED, mounting_method: TERMINAL SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-253-5487, 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
330239
NSN: 4820-00-253-5487
NIINs: 002535487, 010694838, 013126709
FSC: 4820 — Valves, Nonpowered
CAGE: 93784 — HUSCO INTERNATIONAL INC (USA)
SPECIFICATIONS
body_width0.750 INCHES MAXIMUM IN
body_height0.750 INCHES MAXIMUM IN
body_length0.875 INCHES MAXIMUM IN
body_materialSTEEL
inclosure_typeFULLY INCLOSED
mounting_methodTERMINAL SINGLE GROUP
frequency_rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
operating_pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp65.0 CELSIUS DEGC
NSN4820-00-253-5487
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 330239 · 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
KEY FEATURES
•
END CONNECTION QUANTITY: 5
•
BODY MATERIAL: STEEL
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
END CONNECTION QUANTITY5
BODY MATERIALSTEEL
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 330239?
330239 is a TRANSFORMER,AUDIO FREQUENCY.
What is the NSN for 330239?
330239 is cataloged in the U.S. Government catalog under NSN 4820-00-253-5487. 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.