The Miljoco-Weiss NF402-015-4L is a Weiss stainless steel case pressure gauge with a 4″ dial, a 0-15 psi pressure range and a 1/4″ NPT lower connection.
Where vibration, corrosion and pulsating conditions exist, the Weiss line of stainless steel cased industrial pressure gauges is designed for severe applications, with ranges from vacuum to 15,000 psi across the line.
Series NF402 uses 316 stainless steel internals in a 4″ 304 stainless steel case in dry construction.
Specifications on this page are taken from the Weiss Stainless Steel Case Gauges catalog (SSG-9/13). Verified 2026-09-11.
Markets
The manufacturer lists this series for the following applications.
- Agricultural equipment
- Hydraulic systems
- Oil field equipment
- Pumps
- Compressors
- Car wash systems
Warranty
Miljoco-Weiss warrants its products to be free from material defects in material and workmanship for 12 months from the date of shipment, or such other period as provided in the product documentation, per the published Miljoco-Weiss terms and conditions of sale (Section 15, Limited Warranty).
Key Features
4″ 304 stainless steel case
4″ type 304 stainless steel case with polished stainless steel bayonet ring.
316 stainless steel wetted parts
Type 316 stainless steel Bourdon tube with type 316 stainless steel with threaded restrictor socket.
Accuracy 1% of span
NF402 is published at 1% of span.
Safety glass window
Safety glass window over a white aluminum with black and red markings (psi and kpa) dial.
Technical Specifications
| Model | NF402-015-4L |
| Type | Dry construction stainless steel case pressure gauge |
| Ordering Code | Series NF402, range code 015, connection code 4L |
| Range | 0-15 psi |
| Graduations | Figure interval 2 psi, minor graduation 0.1 psi |
| Dial Size | 4″ |
| Case and Ring | 4″ type 304 stainless steel case with polished stainless steel bayonet ring |
| Dial | White aluminum with black and red markings (psi and kPa) |
| Window | Safety glass |
| Bourdon Tube | Type 316 stainless steel |
| Socket | Type 316 stainless steel with threaded restrictor |
| Movement | Stainless steel rotary type with bushings |
| Pointer | Black anodized aluminum, micro adjustable |
| Accuracy | 1% of span |
| Connection | 1/4″ NPT lower |
| Panel Mounting Versions (separate series) | back flange Series NF402BF |
Source Notes
Source note: Range code 015. The SSG catalog To Specify table lists range codes from 030 upward, while the catalog standard range tables for this dial size include 0-15 psi. Code 015 is published here as 0-15 psi following the code pattern; confirm with the factory if critical.
Documentation
Related Products
Frequently Asked Questions
What range does the NF402-015-4L read?
0-15 psi. Figure interval 2 psi, minor graduation 0.1 psi.
What is the process connection?
1/4″ NPT lower.
How accurate is it?
The published accuracy for this series is 1% of span.
What are the wetted materials?
Bourdon Tube: Type 316 stainless steel; Socket: Type 316 stainless steel with threaded restrictor.
Manufacturer Warranty
Miljoco-Weiss warrants this product to be free from material defects in material and workmanship for 12 months from date of shipment, per the published Miljoco-Weiss terms and conditions of sale.
Warranty service requires written notice of the defect within seven days of discovery. Remedy is repair, replacement or credit at the manufacturer's discretion. Normal wear, corrosion, misuse and unauthorized modification are excluded.
- Type:
- Pressure Gauge
- Series:
- NF402
- Dial Size:
- 4 in
- Pressure Range:
- 0-15 psi
- Range Type:
- Pressure
- Connection Size:
- 1/4 in
- Connection Location:
- Lower
- Case Material:
- Stainless Steel
- Wetted Material:
- 316 Stainless Steel
- Fill:
- Dry
- Accuracy:
- Plus or Minus 1 Percent
