NAS517-8-12
View detailed technical data, stock status, and sourcing information for: NAS517-8-12
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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, 0.720 inches minimum and 0.795 inches maximum thread length, right-hand thread direction, flat countersunk head style, 1.485 inches minimum and 1.530 inches maximum fastener length
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
- 0.720 inches minimum and 0.795 inches maximum
- Fastener Length
- 1.485 inches minimum and 1.530 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.932 inches minimum and 1.022 inches maximum
- Internal Drive Style
- cross recess type ii
- Nominal Thread Diameter
- 0.500 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037
- Screw Material Document And Classification
- mil-s-6049 mil spec 1st material response or mil-s-6050 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-6758 mil spec 4th material response or ams 6300 assn std 5th material response
- Screw Surface Treatment
- cadmium and chromate
- Screw Surface Treatment Document And Classification
- qq-p-416 ty 2 cl 3 fed spec all treatment responses
- Thread Series Designator
- unf
- Specification/Standard Data
- 80205-nas517 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 |
|---|---|
| NAS517-8-12 | Machine Screw |
FAQs
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What is the FSCG of the NSN 5305-00-051-6112?
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Does NSN 5305-00-051-6112 require demilitarization?
Does NSN 5305-00-051-6112 contain precious materials?
Does NSN 5305-00-051-6112 contain hazardous materials?
When the NSN 5305-00-051-6112 was assigned to the Federal Catalog?
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