WEST-CAP Vintage PIO Capacitor .047μF 300V

Manufactured by West-Cap
Vintage Paper-in-Oil (PIO) Capacitor
This listing is for one (1) unit.

This is a US-made, military-grade oil capacitor, often mentioned alongside the Vitamin Q type.
It's from a prestigious brand that rivals Sprague Vitamin Q. The company is now defunct, so no new units are being manufactured.

[Marked Specifications]
- Manufacturer: WEST-CAP (USA)
- Specification Number: C-85107-1 (US Military Standard MIL-C-85107)
- Capacitance: 0.047 MFD (=0.047μF / 47nF)
- Tolerance: ±20%
- Voltage Rating: 300 V.D.C
- FSN: N5910-884-0239 (US Military Supply Catalog Number)
- Part No: 1522595-1
- Drawing No: 816-6344

This is an authentic, original US military surplus item with an FSN (Federal Stock Number) marking.
Its provenance is in a different league from current reproductions by Montreux or Nichiden.

[Applications]
- Guitar Tone Capacitor Replacement
(Les Paul / Stratocaster / Telecaster / PRS, etc.)
- Jazz Bass / Precision Bass Modification
- Vintage Tube Amplifier Restoration
(Marshall, Fender, Hiwatt, Vox, etc.)
- High-End Audio DIY (Coupling applications)

The 0.047μF value is a standard choice for guitar humbucker tone caps (Gibson Historic specification is also .047).
It offers a characteristic warm midrange, smooth high-frequency roll-off, and the rich harmonics and gloss typical of PIO capacitors.

[Condition]
- Stored item (estimated production: 1960s-1970s)
- As shown in the photos, the can surface has age-related scuffs and dirt.
- Untested, sold as-is (junk).
- Lead wires are at their original lengths on both sides.

[Shipping]
- Within 1-2 days after purchase.

Returns are not accepted to prevent tampering.

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#ヴィンテージコンデンサー #米軍放出 #NOS
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#真空管アンプ #自作 #モディファイ