NAS77A4-20N

Comprehensive specifications and application details for: NAS77A4-20N Sleeve Bushing.

Summary

Explore detailed summary information for bearing: NAS77A4-20N. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
NAS77A4-20N
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-062-3421
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
07/15/1978

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.3756 inches minimum and 0.3761 inches maximum body outside diameter, square left flange outside right corner corner shape, chamfered inside left corner corner shape, chamfered inside right corner corner shape, 0.2500 inches minimum and 0.2515 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-062-3421 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.2500 inches minimum and 0.2515 inches maximum
Body Outside Diameter
0.3756 inches minimum and 0.3761 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
Flange Outside Diameter
0.4900 inches minimum and 0.5100 inches maximum
Flange Width
0.0570 inches minimum and 0.0620 inches maximum
Overall Length
0.2520 inches minimum and 0.2670 inches maximum
Material Document And Classification
qq-c-465 fed spec single material response overall
Material
copper alloy 642 overall
Specification/Standard Data
80205-nas77 professional/industrial association standard
Style Designator
solid, external flange one end
Surface Finish
100.0 microinches intermediate layer
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec single treatment response left end surface of body and flange
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec single treatment response outside diameter surface of body
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec single treatment response outside diameter surface of flange
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec single treatment response right end surface of body
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 fed spec single treatment response right end surface of left flange
Surface Treatment
cadmium left end surface of body and flange
Surface Treatment
cadmium outside diameter surface of body
Surface Treatment
cadmium outside diameter surface of flange
Surface Treatment
cadmium right end surface of body
Surface Treatment
cadmium right end surface of left flange

Frequently Asked Questions

Find quick answers to common questions about bearing: NAS77A4-20N. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-062-3421?
The FSCG of the NSN 3120-01-062-3421 is 3120
Does the NSN 3120-01-062-3421 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-01-062-3421 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 3120-01-062-3421 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-062-3421 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 3120-01-062-3421 was assigned to the Federal Catalog?
It was assigned 46 years ago, on Sat, Jul 15, 1978

Price & Availability

Fill out the form to get pricing and availability details for the bearing: NAS77A4-20N

Popular Bearings

Browse our selection of high-demand, high-performance bearings:

10107351
3110-00-174-4467
Annular Ball Bearing
10107352
3110-00-183-7537
Bearing Ball
10107353
3110-00-183-9175
Bearing Ball
10107354
3110-00-191-2507
Cylindrical Roller Bearing
10107355
3110-00-198-0048
Annular Ball Bearing
10107356
3110-00-202-0469
Annular Ball Bearing
10107357
3110-00-183-9164
Bearing Ball
10107358
3110-00-227-2890
Annular Ball Bearing
10107359
3110-00-227-4366
Annular Ball Bearing
10107360
3110-00-227-4676
Annular Ball Bearing
10107361
3110-00-227-4718
Bearing Ball
10107362
3110-00-232-3320
Rod End Ball Bearing
10107363
3110-00-242-4866
Annular Ball Bearing
10107364
3110-00-245-4874
Airframe Ball Bearing
10107365
3110-00-245-5205
Annular Ball Bearing