NAS1086-4
View detailed technical data, stock status, and sourcing information for: NAS1086-4
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
3a thread class, right-hand thread direction, 0.391 inches minimum thread length, 0.641 inches nominal fastener length, flat countersunk head style
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
- 0.391 inches minimum
- Fastener Length
- 0.641 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.748 inches minimum and 0.766 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.375 inches
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 150000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- titanium alloy
- Thread Series Designator
- unf
- Specification/Standard Data
- 80205-nas1086 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 |
|---|---|
| NAS1086-4 | Machine Screw |
| NAS1086V4 | Machine Screw |
| NAS1086X04 | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-059-8445?
Does the NSN 5305-00-059-8445 have a Schedule B code assigned?
Does NSN 5305-00-059-8445 require demilitarization?
Does NSN 5305-00-059-8445 contain precious materials?
Does NSN 5305-00-059-8445 contain hazardous materials?
When the NSN 5305-00-059-8445 was assigned to the Federal Catalog?
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