MK777-169

View detailed technical data, stock status, and sourcing information for: MK777-169

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MK777-169
Federal Supply Group
Instruments and Laboratory Equipment
National Stock Number
6625-00-994-9222
Item Name Code
16450
Assigment Date
01/01/1962 (64 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

0.150 inches nominal mounting hole diameter, 50 single indicator single range scale division quantity, dc circuit current for which designed, 3.510 inches nominal overall diameter, 3.160 inches nominal mounting bolt circle diameter

Product Characteristics

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

Circuit Current For Which Designed
dc
Mounting Hole Diameter
0.150 inches nominal
Scale Division Quantity
50 single indicator single range
Overall Diameter
3.510 inches nominal
Mounting Bolt Circle Diameter
3.160 inches nominal
Installation Design
panel
Mounting Arrangement Style
three hole/stud bolt circle
Sensitivity Rating
50.0 millivolts
Dial Scale Marking Color
black single indicator single range
Accuracy In Percent
-2.0 to 2.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
2.438 inches nominal
Meter Body Diameter Behind Mounting Flange
2.800 inches nominal
Movement Type
moving coil, permanent magnet
Background Color
white single indicator single range
Mounting Facility Type And Quantity
3 unthreaded hole
Measurement Range
-25.0 to 25.0 milliamperes, dc single indicator 3rd range
Measurement Range
-5.0 to 5.0 milliamperes, dc single indicator 2nd range
Measurement Range
-500.0 to 500.0 microamperes, dc single indicator 1st range
Features Provided
magnetic shield
Movement Suspension Method
jewel pivot base
Circuit Attachment Method And Quantity
3 solder lug
Style Designator
round flush mtg

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
MK777-169 Ammeter
QB87977-3 Ammeter

FAQs

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

What is the FSCG of the NSN 6625-00-994-9222?
The FSCG of the NSN 6625-00-994-9222 is 6625
Does the NSN 6625-00-994-9222 have a Schedule B code assigned?
Yes, the Schedule B code is 9030908030
Does NSN 6625-00-994-9222 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 6625-00-994-9222 contain precious materials?
Precious metal content is unknown
Does NSN 6625-00-994-9222 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
When the NSN 6625-00-994-9222 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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