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MS51957-45
8-32 X 1/2 MS51957, Phil Pan Machine Screw Coarse Full Thread 300 Series S/S DFAR, MS51957-45
Description
Length: 1/2, thread: 8-32, pan head, corrosion resistant steel, coarse thread, MS51957 series screw
Specifications
| Country of Origin | USA |
|---|---|
| Diameter | #8 |
| Drive Style | Phillips |
| Drive Type | Phillips |
| Fastener Length | 0.5 |
| Finish | Passivate |
| Full Size | #8-32 x 1/2 |
| Head Angle | 100 ? |
| Head Diameter | Between 0.306 inches and 0.322 inches |
| Head Height | Between 0.105 inches and 0.115 inches |
| Head Style | Phillips Pan Head |
| Head Type | Pan |
| Industry Standards/Certification | MS51957 |
| Internal Drive Style | Cross recess type 1 |
| Length | 0.5, 1/2 |
| Material | CRES |
| Material Specification | 66 federal standard single material response |
| MilspecPart | MS51957 |
| NIIN | 00-054-6670 |
| NSN | 5305-00-054-6670 |
| Nondefinitive Specification/Std Data | 3 type and 9c style |
| Size | 8-32 |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Fraction | 8-32 |
| Thread Length | 0.5 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 8-32 |
| Thread Type | N.C. - Coarse, UNC-2A |
| Threads Per Inch | 32 |
| U.O.M. | Imperial |
| Weight | .004 lb |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS35206-245 MS #8-32 · 1/2 in · Phillips Pan Head · Steel
- MS35214-42 MS #8-32 · 1/2 in · Phillips Pan Head · Brass
- MS35218-42 MS #8-32 · 1/2 in · Phillips Pan Head · Aluminum
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Catalog data updated 2026-07-05. Report a data error