NATO Stock Number
5136-00-104-4158
Sold in multiples of
EA
DEMIL
NO
Thread Pitch Diameters
+0.2737/+0.2742 inches
Thread Direction
Right-hand
Thread Length
Between 1.062 inches and 1.188 inches
Shank Diameter
Between 0.3165 inches and 0.3180 inches
Width Across Flats
Between 0.234 inches and 0.238 inches
Overall Length
Between 2.680 inches and 2.750 inches
Flute Quantity
3
Thread Structure
Regular
Thread Forming Method
Ground
Starting Chamfer Type
Plug
Square End Length
Between 0.281 inches and 0.343 inches
Material And Location
Steel
Criticality Code Justification
Aaze
Style Designator
Spiral pointed flute
Thread Size And Series/type Designator
0.250-28 sti
Nondefinitive Specification/std Data
1 type and 2 class