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RD7786-D — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

RD7786-D: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, body_height: 2.250 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN, body_length: 1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, overall_height: 2.630 INCHES MINIMUM AND 2.815 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S) SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-312-7332, 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
RD7786-D
NSN: 4820-01-312-7332
NIINs: 013127332, 013127367, 013129237
FSC: 4820 — Valves, Nonpowered
CAGE: 62753 — XOMOX CORP SUB OF EMERSON ELECTRIC CO (USA)
SPECIFICATIONS
body_width1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
body_height2.250 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
body_length1.563 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
overall_height2.630 INCHES MINIMUM AND 2.815 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating40.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms16.0 NOMINAL SINGLE COMPONENT ALL SECONDARY
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
NSN4820-01-312-7332
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: RD7786-D · 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
RD7786-D ITEM 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 RD7786-D?
RD7786-D is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace RD7786-D?
There is 1 known substitute for RD7786-D: RD7786-D ITEM 3. Substitute compatibility should be verified for your specific system.
What is the NSN for RD7786-D?
RD7786-D is cataloged in the U.S. Government catalog under NSN 4820-01-312-7332. 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.