5305-01-321-5071
Find complete technical information, availability, and procurement data for: 5305-01-321-5071
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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, flat chamfer head style, 0.276 inches nominal thread length, 1.386 inches minimum and 1.416 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
- 0.276 inches nominal
- Fastener Length
- 1.386 inches minimum and 1.416 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.265 inches minimum and 0.270 inches maximum
- Head Height
- 0.088 inches minimum and 0.102 inches maximum
- Grip Diameter
- 0.1625 inches minimum and 0.1635 inches maximum
- Internal Drive Style
- offset cruciform (torque set)
- Nominal Thread Diameter
- 0.164 inches
- Grip Length
- 1.115 inches minimum and 1.135 inches maximum
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- steel comp 4140 or steel comp e4340 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-6049 mil spec 3rd material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 2 fed spec single treatment response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas1122 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 |
|---|---|
| NAS1122-18 | Close Tolerance Screw |
| NAS1632-18 | Close Tolerance Screw |
FAQs
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When the NSN 5305-01-321-5071 was assigned to the Federal Catalog?
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