NAS1580A4T20Y
View detailed technical data, stock status, and sourcing information for: NAS1580A4T20Y
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A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); couplig (as modified); or nipple (as modified). Excludes: tube,bent (as modified); pipe,metallic; spacer sleeve; metal bar (hollow); and items with fitting, except end protectors.
right-hand thread direction, 1.638 inches minimum and 1.668 inches maximum fastener length, 0.378 inches minimum and 0.428 inches maximum thread length, flat countersunk head style, 3a 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.378 inches minimum and 0.428 inches maximum
- Fastener Length
- 1.638 inches minimum and 1.668 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.464 inches minimum and 0.507 inches maximum
- Shoulder Diameter
- 0.2797 inches minimum and 0.2807 inches maximum first shoulder
- Shoulder Length
- 1.240 inches minimum and 1.260 inches maximum first shoulder
- Internal Drive Style
- offset cruciform (torque set)
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Shoulder Shape
- round first shoulder
- Material
- steel comp 4140 or steel comp e4340 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty2 cl2 fed spec single treatment response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas1580 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 |
|---|---|
| NAS1580A4T20Y | Shoulder Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-276-2233?
Does the NSN 5305-01-276-2233 have a Schedule B code assigned?
Does NSN 5305-01-276-2233 require demilitarization?
Does NSN 5305-01-276-2233 contain precious materials?
Does NSN 5305-01-276-2233 contain hazardous materials?
When the NSN 5305-01-276-2233 was assigned to the Federal Catalog?
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