343-0271-000
View detailed technical data, stock status, and sourcing information for: 343-0271-000
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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.
pan head style, 2a thread class, 1.250 inches nominal fastener length, 1.250 inches maximum thread 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.250 inches maximum
- Fastener Length
- 1.250 inches nominal
- 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
- 20
- Screw Material
- steel
- Screw Surface Treatment
- passivate
- Thread Series Designator
- unc
- Nondefinitive Spec/Std Data
- 3 type and 9c 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 |
|---|---|
| 343-0271-000 | Machine Screw |
| 8914388-25 | Machine Screw |
| MS35216-74 | Machine Screw |
| N153P21020 | Machine Screw |
FAQs
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Does NSN 5305-00-059-8507 require demilitarization?
Does NSN 5305-00-059-8507 contain precious materials?
Does NSN 5305-00-059-8507 contain hazardous materials?
When the NSN 5305-00-059-8507 was assigned to the Federal Catalog?
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