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3WB158 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3WB158: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 1.312 INCHES MAXIMUM IN, body_height: 1.500 INCHES MAXIMUM IN, body_length: 1.312 INCHES MAXIMUM IN, overall_width: 0.205 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, overall_height: 0.165 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-104-3480, 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
3WB158
NSN: 4820-01-104-3480
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
body_width1.312 INCHES MAXIMUM IN
body_height1.500 INCHES MAXIMUM IN
body_length1.312 INCHES MAXIMUM IN
overall_width0.205 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_height0.165 INCHES MAXIMUM IN
overall_length0.210 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
frequency_rating300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
NSN4820-01-104-3480
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3WB158 · 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 1
101369Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 3WB158?
3WB158 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 3WB158?
There is 1 known substitute for 3WB158: 101369. Substitute compatibility should be verified for your specific system.
What is the NSN for 3WB158?
3WB158 is cataloged in the U.S. Government catalog under NSN 4820-01-104-3480. 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.