---
product_id: 405098580
title: "- Air compressor Oil Sight Glass, 1 NPT Male Hex Head Oil Sight Glass Heavy Duty Solid Brass Oil Sight Glass Liquid Level Gauge Oil Indicator Window For Air Compressor Gearbox Tank"
brand: "boltigen"
price: "₨7387"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/405098580-air-compressor-oil-sight-glass-1-npt-male-hex-head
store_origin: LK
region: Sri Lanka
---

# 3mm tempered borosilicate glass Withstands 797 PSI & 120°C 1'' NPT solid brass build - Air compressor Oil Sight Glass, 1 NPT Male Hex Head Oil Sight Glass Heavy Duty Solid Brass Oil Sight Glass Liquid Level Gauge Oil Indicator Window For Air Compressor Gearbox Tank

**Brand:** boltigen
**Price:** ₨7387
**Availability:** ✅ In Stock

## Summary

> ⚙️ See your oil like never before — clarity that powers performance!

## Quick Answers

- **What is this?** - Air compressor Oil Sight Glass, 1 NPT Male Hex Head Oil Sight Glass Heavy Duty Solid Brass Oil Sight Glass Liquid Level Gauge Oil Indicator Window For Air Compressor Gearbox Tank by boltigen
- **How much does it cost?** ₨7387 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/405098580-air-compressor-oil-sight-glass-1-npt-male-hex-head)

## Best For

- boltigen enthusiasts

## Why This Product

- Trusted boltigen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Heavy-duty solid brass construction resists wear and harsh environments for long-term reliability.
- • **Precision Seal:** Durable NBR O-ring prevents leaks and outperforms plastic alternatives in toughness.
- • **Pressure & Heat Ready:** Certified to endure up to 797 PSI and 120°C, perfect for demanding industrial settings.
- • **Versatile Application:** Ideal for air compressors, gearboxes, pumps, and automotive systems—stay ahead with real-time liquid level insights.
- • **Crystal Clear Monitoring:** Tempered 3mm borosilicate glass ensures flawless oil level visibility under pressure.

## Overview

The Boltigen 1'' NPT Oil Sight Glass features a robust solid brass body and a 3mm thick tempered borosilicate glass window, delivering exceptional transparency and durability. Engineered to withstand pressures up to 797 PSI and temperatures up to 120°C, it offers reliable, leak-resistant liquid level monitoring for air compressors, gearboxes, and industrial tanks. Backed by rigorous quality control and a satisfaction guarantee, this sight glass is the professional’s choice for precision and peace of mind.

## Description

Sponsored Ad - Air compressor Oil Sight Glass, 1 NPT Male Hex Head Oil Sight Glass Heavy Duty Solid Brass Oil Sight Glass Liquid Level Gauge Oil Indicator Window For Air Compressor Gearbox Tank

## Features

- 【Good Transparent View 】The 1’’ NPT brass oil level sight glass with tempered glass which the thickness is 3mm , can provide you with a good transparent sight view and has a good has a good ability to withstand pressure, the compressor oil sight glass is also with baffle which help you can easily observe the change of medium.
- 【Temperature & Pressure】Air compressor oil sight glass gauge can work under 797 PSI (55 bar) and temperature 120 Celsius. The sight window is qualified to pass strict pressure and temperature tests by our factory.
- 【Material】The 1’’ NPT hydraulic tank sight glass is made of solid brass, the glass is borosilicate glass, The o-ring inside the oil sight glass is NBR , which is not easy to wear and burst compares to plastic material. It can work in different environment.
- 【Application】 The tank oil sight plug is a kind of liquid indicator used in tanks, air compressors, pumps, piping system, automotive industries, bearing housing and gearboxes etc. The oil level indicator has good viewport for visual Inspection of water, oil and gas (WOG).
- 【Service】 Our QC department do 100% quality inspection on the compressor oil sight glass before delivery. We will do 100% refund if the sight plug part is defective. Your valuable suggestions and advice will be greatly appreciated by our team.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Boltigen |
| Part Number | 5BSG |
| Item Weight | 3.52 ounces |
| Package Dimensions | 4.13 x 3.74 x 1.65 inches |
| Item model number | BSG004 |
| Size | 1'' NPT Flat |
| Color | 1'' Npt Flat |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![- Air compressor Oil Sight Glass, 1 NPT Male Hex Head Oil Sight Glass Heavy Duty Solid Brass Oil Sight Glass Liquid Level Gauge Oil Indicator Window For Air Compressor Gearbox Tank - Image 1](https://m.media-amazon.com/images/I/61qtguvC+ZL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Air compressor Oil Sight Glass, 1 NPT Male Hex Head Oil Sight Glass Heavy Duty Solid Brass Oil Sight Glass Liquid Level Gauge Oil Indicator Window For Air Compressor Gearbox Tank
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**Shop now:** [https://www.desertcart.lk/products/405098580-air-compressor-oil-sight-glass-1-npt-male-hex-head](https://www.desertcart.lk/products/405098580-air-compressor-oil-sight-glass-1-npt-male-hex-head)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-24*