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50052-3 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

50052-3: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include flow_control_device: SPOOL, valve_operation_method: SOLENOID, end_item_identification: AIRCRAFT, KC-130, part_name_assigned_by_controlling_agency: PILOT OPERATED, 3-WAY, 2 POSTION, SOLENOID VALVE, flow_control_device_normal_operation_position: CLOSED. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-555-4670, 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
MRO→ MRO_GENERAL→ 50052-3
NSN: 3120-00-555-4670
NIINs: 005554670, 007369637, 007377982, 009276598, 010406639, 014072915, 015143527
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
flow_control_deviceSPOOL
valve_operation_methodSOLENOID
end_item_identificationAIRCRAFT, KC-130
part_name_assigned_by_controlling_agencyPILOT OPERATED, 3-WAY, 2 POSTION, SOLENOID VALVE
flow_control_device_normal_operation_positionCLOSED
NSN3120-00-555-4670
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 50052-3 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.3670 INCHES MINIMUM AND 0.3680 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.6825 INCHES MINIMUM AND 0.6925 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.3670 INCHES MINIMUM AND 0.3680 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
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 50052-3?
50052-3 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 50052-3?
50052-3 is cataloged in the U.S. Government catalog under NSN 3120-00-555-4670. 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.