NAS77-5-54

View detailed technical data, stock status, and sourcing information for: NAS77-5-54

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NAS77-5-54
Federal Supply Group
Bearings
Federal Supply Classification
3120 Unmounted Plain Bearings
National Stock Number
3120-00-975-2169
Item Name Code
13206
Assigment Date
10/10/1966 (59 years ago)

An enclosure, including two or more electrodes, in which a flow of electrons may occur through a vacuum or a contained gas. The electronic conduction takes place either by means of electrons emitted from a cathode or by ionization of the contained gas. Includes phototubes (photoemissive type only), geiger-mueller tubes, traveling wave tubes, cathode ray tubes and microwave tubes (klystron, magnetron, or the like). Excludes:items whose primary purpose is to produce light energy; photoelectric cell; and semiconductor device (as modified).

0.5520 inches minimum and 0.5720 inches maximum flange outside diameter, 0.5920 inches minimum and 0.6070 inches maximum overall length, 0.0570 inches minimum and 0.0620 inches maximum flange width, 0.4381 inches minimum and 0.4386 inches maximum body outside diameter, 0.3125 inches minimum and 0.3140 inches maximum body inside diameter

Product Characteristics

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

Overall Length
0.5920 inches minimum and 0.6070 inches maximum
Body Outside Diameter
0.4381 inches minimum and 0.4386 inches maximum
Body Inside Diameter
0.3125 inches minimum and 0.3140 inches maximum
Flange Outside Diameter
0.5520 inches minimum and 0.5720 inches maximum
Flange Width
0.0570 inches minimum and 0.0620 inches maximum
Corner Shape
chamfered inside left corner
Corner Shape
chamfered inside right corner
Corner Shape
square left flange outside right corner
Corner Shape
square outside left corner
Corner Shape
square outside right corner
Corner Shape
undercut left flange body corner
Surface Finish
100.0 microinches intermediate layer
Material
steel comp 8630 or steel comp 4130 overall
Material Document And Classification
mil-s-6050 mil spec 1st material response or mil-s-6758 mil spec 2nd material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator
solid, external flange one end
Specification/Standard Data
80205-nas77 professional/industrial association standard

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
NAS77-5-054 Sleeve Bushing
NAS77-5-54 Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-975-2169?
The FSCG of the NSN 3120-00-975-2169 is 3120
Does the NSN 3120-00-975-2169 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-00-975-2169 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 3120-00-975-2169 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-975-2169 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 3120-00-975-2169 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Mon, Oct 10, 1966

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 285
New Surplus 1
Total 286
Availability of this item was last updated on: 01/17/2026 06:01 PM EST. Stock levels and pricing are subject to change.

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