6685-00-128-1861
Find complete technical information, availability, and procurement data for: 6685-00-128-1861
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An instrument designed to measure air, gas, fluid, and vapor pressure by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) which transmits energy, by direct linkage, to the indicating pointer of a scale or a digital display, calibrated in units of pressure. It may include a temperature equivalent scale. For items that do not have an internal pressure sensitive element see indicator, pressure.
3 mounting hole quantity, 0.281 inches nominal mounting hole diameter, 2.781 inches nominal overall depth, 9.625 inches nominal bolt circle diameter, 8.969 inches nominal overall diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Overall Depth
- 2.781 inches nominal
- Bolt Circle Diameter
- 9.625 inches nominal
- Mounting Hole Diameter
- 0.281 inches nominal
- Mounting Hole Quantity
- 3
- Overall Diameter
- 8.969 inches nominal
- Graduation Unit
- 100.0 pounds per square inch
- Actuation Type
- single bourdon tube
- Adjustability
- adjustable
- Scale Range
- +0.0 to 800.0 pounds pressure per square inch
- Scale Name
- pressure
- Dial Size
- 8-1/2 in. dia
- Connection Quantity
- 1
- Pointer Color
- black and red
- Pointer Type
- indicating and reference
- Scale Marking
- shock resistant
- Scale Type
- single
- Scale Smallest Increment
- 10.0 pounds per square inch
- Connection Type
- external
- Mounting Method
- surface wall
- Scale Accuracy
- porm 1 pct full range
- Scale Inscription/Background Color
- black figures on white background
- Connection Location
- back
- Connection Size
- 0.250 in. npt dia
- Connector Type Vent
- not provided
- Color
- gray/grey case
- Material
- aluminum case
- Material
- nickel alloy actuating element
- Material
- plastic protective crystal
- Surface Treatment
- enamel case
- Nondefinitive Spec/Std Data
- a design and a type
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 6685-00-807-5872 | Dial Indicating Pressure Gage | 07/01/2025 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| MIL-I-18997/1DEA TYA85-0-800B | Dial Indicating Pressure Gage |
| SA28-3P0F-RWBX | Dial Indicating Pressure Gage |
| SG8NN8HPWRANAG | Dial Indicating Pressure Gage |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 6685-00-128-1861?
Does the NSN 6685-00-128-1861 have a Schedule B code assigned?
Does NSN 6685-00-128-1861 require demilitarization?
Does NSN 6685-00-128-1861 contain precious materials?
Does NSN 6685-00-128-1861 contain hazardous materials?
When the NSN 6685-00-128-1861 was assigned to the Federal Catalog?
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