MS51957-104
View detailed technical data, stock status, and sourcing information for: MS51957-104
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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, 1.750 inches maximum thread length, 0.594 inches minimum and 0.615 inches maximum head diameter, 2a thread class, 2.500 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
- 2a
- Thread Length
- 1.750 inches maximum
- Fastener Length
- 2.500 inches maximum
- Head Style
- pan
- Head Diameter
- 0.594 inches minimum and 0.615 inches maximum
- Head Height
- 0.203 inches minimum and 0.218 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.312 inches
- Thread Quantity Per Inch
- 18
- Minimum Tensile Strength
- 80000 pounds per square inch
- Screw Material
- steel comp 304
- Screw Material Document And Classification
- qq-s-763 fed spec single material response
- Thread Series Designator
- unc
- Departure From Cited Document
- as modified by material
- Departure From Cited Designator
- as modified by condition a
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 |
|---|---|
| MS51957-104 | Machine Screw |
FAQs
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What is the FSCG of the NSN 5305-00-841-7423?
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Does NSN 5305-00-841-7423 require demilitarization?
Does NSN 5305-00-841-7423 contain precious materials?
Does NSN 5305-00-841-7423 contain hazardous materials?
When the NSN 5305-00-841-7423 was assigned to the Federal Catalog?
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