MS51958-81
View detailed technical data, stock status, and sourcing information for: MS51958-81
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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.
2a thread class, right-hand thread direction, pan head style, 0.750 inches minimum thread length, 0.750 inches nominal 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.750 inches minimum
- Fastener Length
- 0.750 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
- 28
- Minimum Tensile Strength
- 80000 pounds per square inch
- Screw Material
- steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305
- Screw Surface Treatment
- passivate
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- ba3 type or cb9c type
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FAQs
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Does NSN 5305-00-059-3677 require demilitarization?
Does NSN 5305-00-059-3677 contain precious materials?
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When the NSN 5305-00-059-3677 was assigned to the Federal Catalog?
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