AA55623-22
View detailed technical data, stock status, and sourcing information for: AA55623-22
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A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.
flat countersunk head style, 0.219 inches minimum and 0.250 inches maximum fastener length, 0.146 inches minimum and 0.213 inches maximum thread length, right-hand thread direction, 2a thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.146 inches minimum and 0.213 inches maximum
- Fastener Length
- 0.219 inches minimum and 0.250 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.147 inches minimum and 0.172 inches maximum
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.086 inches
- Thread Quantity Per Inch
- 56
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- plastic polyhexamethylene amide
- Screw Material Document And Classification
- mil-m-20693,comp a,ty 1 mil spec single material response
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 1 type and 3s style
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 |
|---|---|
| AA55623-22 | Machine Screw |
| MS18211-11C | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-459-9778?
Does the NSN 5305-00-459-9778 have a Schedule B code assigned?
Does NSN 5305-00-459-9778 require demilitarization?
Does NSN 5305-00-459-9778 contain precious materials?
Does NSN 5305-00-459-9778 contain hazardous materials?
When the NSN 5305-00-459-9778 was assigned to the Federal Catalog?
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