5305-01-166-6644
Find complete technical information, availability, and procurement data for: 5305-01-166-6644
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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.
0.149 inches minimum and 0.250 inches maximum thread length, pan head style, 0.220 inches minimum and 0.250 inches maximum fastener 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
- 0.149 inches minimum and 0.250 inches maximum
- Fastener Length
- 0.220 inches minimum and 0.250 inches maximum
- Head Style
- pan
- Head Diameter
- 0.473 inches minimum and 0.492 inches maximum
- Head Height
- 0.162 inches minimum and 0.175 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 28
- Screw Material
- steel corrosion resisting
- Screw Surface Treatment
- passivate
- Screw Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response
- Thread Series Designator
- unf
- Specification/Standard Data
- 80205-nas1635 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 |
|---|---|
| 03-15013C13 | Machine Screw |
| NAS1635-4 | Machine Screw |
| NAS1635-4-4 | Machine Screw |
FAQs
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