5305-00-850-6257
Find complete technical information, availability, and procurement data for: 5305-00-850-6257
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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. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.
1.000 inches minimum and 1.047 inches maximum fastener length, 3a thread class, 0.532 inches minimum and 0.682 inches maximum thread length, flat countersunk head style, 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
- 0.532 inches minimum and 0.682 inches maximum
- Fastener Length
- 1.000 inches minimum and 1.047 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.756 inches minimum and 0.760 inches maximum
- Shoulder Diameter
- 0.389 inches minimum and 0.390 inches maximum first shoulder
- Shoulder Length
- 0.209 inches minimum and 0.231 inches maximum first shoulder
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.375 inches
- 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
- Shoulder Shape
- round first shoulder
- Material
- steel comp 6150 or steel comp 4140 or steel comp 4037 or steel comp 4130 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec single treatment response overall
- Thread Series Designator
- unf
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 |
|---|---|
| NAS1706-6 | Shoulder Screw |
FAQs
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