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MS51959-5
2-56X3/8 MS51959 NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR
Description
MS 51959-5 Phillips Flat Head Machine Screw - 82 Degree
Specifications
| Countersink Angle | Between 80.0 degrees and 82.0 degrees |
|---|---|
| Country of Origin | USA |
| Diameter | #2 |
| Drive | Phillips |
| Drive Type | Phillips |
| Fastener Length | 0.375 |
| Finish | Passivate per QQ-P-35, Plain |
| Full Size | #2-56 x 3/8 |
| Head Angle | 100 ? |
| Head Diameter | Between 0.147 inches and 0.172 inches |
| Head Style | 82 Degree Flat Head, Flat countersunk, Phillips Flat Head |
| Head Type | Flat |
| Industry Standards/Certification | AN507 |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 |
| Material | CRES |
| Milspec Part | MS51959 |
| MilspecPart | MS51959 |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| NIIN | 00-763-3356 |
| NSN | 5305-00-763-3356 |
| Screw Material | Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 |
| Screw Material Specification | 66 federal standard all material responses |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Size | 2-56 |
| Thread Class | 2a |
| Thread Diameter | 0.086 |
| Thread Direction | Right-hand |
| Thread Fraction | 2-56 |
| Thread Length | Between 0.339 inches and 0.375 inches |
| Thread Qty | 56 |
| Thread Qty Per Inch (tpi) | 56 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 2 |
| Thread Type | N.C. - Coarse, UNC-2A |
| Threads Per Inch | 56 |
| U.O.M. | Imperial |
| Weight | 0.0005 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS51959-5. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error