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6620-00-557-0403

Find complete technical information, availability, and procurement data for: 6620-00-557-0403

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6620-00-557-0403
Federal Supply Group
Instruments and Laboratory Equipment
Federal Supply Classification
6620 Engine Instruments
National Stock Number
6620-00-557-0403
Item Name Code
07428
Assigment Date
01/01/1963 (63 years ago)

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.

1.750 inches nominal overall depth, 2.375 inches nominal overall width, 0.138 inches nominal mounting hole diameter, 2.625 inches nominal bolt circle diameter, 2.375 inches nominal overall height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Depth
1.750 inches nominal
Bolt Circle Diameter
2.625 inches nominal
Overall Height
2.375 inches nominal
Overall Width
2.375 inches nominal
Mounting Hole Diameter
0.138 inches nominal
Mounting Hole Quantity
4
Graduation Unit
10.0 pounds
Actuation Type
any acceptable
Adjustability
nonadjustable
Scale Range
+0.000 to 25.000 pounds pressure per square inch
Scale Name
manifold pressure
Illuminative Method
fluorescent lamp
Dial Size
1-7/8 in. dia
Connection Quantity
1
Pointer Type
indicating
Scale Marking
fuel pressure
Scale Type
single
Scale Smallest Increment
1.0 pounds
Connection Type
internal
Mounting Method
flush panel
Scale Inscription/Background Color
luminous figures on black background
Connection Location
back
Connection Size
0.438 in.-20 unf
Connector Type Vent
provided
Color
black case
Material
glass protective crystal
Material
plastic case
Surface Treatment
enamel lusterless case

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
6620-00-551-3605 No Name Available 01/01/1960
6620-00-720-2189 No Name Available 01/01/1963

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
AN5771-8 Dial Indicating Pressure Gage
AW1815AB01 Dial Indicating Pressure Gage
MS28061-1 Dial Indicating Pressure Gage

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6620-00-557-0403?
The FSCG of the NSN 6620-00-557-0403 is 6620
Does the NSN 6620-00-557-0403 have a Schedule B code assigned?
Yes, the Schedule B code is 9026200000
Does NSN 6620-00-557-0403 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 6620-00-557-0403 contain precious materials?
Item does not contain precious metal.
Does NSN 6620-00-557-0403 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 6620-00-557-0403 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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