5305-00-639-5774
Find complete technical information, availability, and procurement data for: 5305-00-639-5774
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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.
flat countersunk head style, 3a thread class, 0.448 inches minimum thread length, 1.265 inches minimum and 1.312 inches maximum fastener length, right-hand thread direction
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
- 0.448 inches minimum
- Fastener Length
- 1.265 inches minimum and 1.312 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.625 inches minimum and 0.635 inches maximum
- Grip Diameter
- 0.3108 inches minimum and 0.3117 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.750 inches nominal
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Countersink Angle
- 100.0 degrees nominal
- Surface Finish
- 32.0 microinches top of head
- Material
- steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 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-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec single treatment response overall
- Thread Series Designator
- unf
- Specification/Standard Data
- 80205-nas335 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-651-1288 | No Name Available | 09/26/1969 |
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 |
|---|---|
| NAS335PA11-5 | Close Tolerance Screw |
FAQs
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