80A440-4D
View detailed technical data, stock status, and sourcing information for: 80A440-4D
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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.
0.250 inches nominal fastener length, 0.183 inches minimum thread length, right-hand thread direction, flat countersunk head style, 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
- 0.183 inches minimum
- Fastener Length
- 0.250 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.195 inches minimum and 0.225 inches maximum
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.112 inches
- Thread Quantity Per Inch
- 40
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- copper alloy
- Screw Material Document And Classification
- qq-b-613 fed spec single material response or qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 1 type and 2s style
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 |
|---|---|
| 80A440-4D | Machine Screw |
FAQs
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What is the FSCG of the NSN 5305-00-011-7646?
Does the NSN 5305-00-011-7646 have a Schedule B code assigned?
Does NSN 5305-00-011-7646 require demilitarization?
Does NSN 5305-00-011-7646 contain precious materials?
Does NSN 5305-00-011-7646 contain hazardous materials?
When the NSN 5305-00-011-7646 was assigned to the Federal Catalog?
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