screws › machine screws
MS35198-87
Military Standard Screw
Description
Fastener Length: 1-1/4", Thread: 1/4-18, Thread Length: 1-1/4"
Specifications
| Countersink Angle | 80.0 degrees minimum and 82.0 degrees maximum |
|---|---|
| Fastener Length | 1.250 |
| Finish | Black Oxide |
| Head Diameter | 0.568 inches minimum and 0.635 inches maximum |
| Head Style | Flat countersunk, Phillips Flat Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 1/4 |
| Material | Brass |
| Min. Tensile Strength (psi) | 57000 pounds per square inch |
| Screw Material | Copper alloy |
| Screw Material Specification | Qq-b-626 fed spec single material response or qq-w-321 fed spec single material response |
| Size | 5/16-18 |
| Thread Class | 2a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 1.139 inches minimum and 1.250 inches maximum |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
| Thread Type | N.C. - Coarse |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS35198-87. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error