Part Number MS12189-09 Machine Bolt
SKU: 5306015077396MS1218909 Machine Bolt Datasheet
Thread Direction:
Right-hand
Thread Length:
Between 0.554 inches and 0.625 inches
Fastener Length:
0.688 inches
Head Style:
Double hexagon w/hole
Head Height:
0.330 inches
Width Between Flats:
Between 0.304 inches and 0.313 inches
Extended Washer Diameter:
0.438 inches
Extended Washer Thickness:
Between 0.060 inches and 0.070 inches
Hole Diameter:
0.070 inches
End Application:
C-5 aircraft
Thread Diameter:
0.250 inches
Hole Quantity:
4
Hole Type:
Drilled
Features Provided:
Finished head
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
130000 pounds per square inch
Hardness Rating:
248.0 brinell standard and 341.0 brinell standard
Minimum Yield Strength:
85000 pounds per square inch
Hole Configuration Style:
Hexagon flats
Surface Finish:
32.0 microinches threads
Surface Finish:
63.0 microinches bearing surface of head
Surface Finish:
63.0 microinches grip
Part Name Assigned By Controlling Agency:
Bolt, machine-steel, drilled double hexagon, extended washer, .250-28 (MIL-S-8879 thread)
Material Specification:
Ams 5735 assn standard single material response
Manufacturer Cage:
96906
Trade Information:
- Schedule B: 7318152000
- SITC: 69421
- End Use: Iron and steel products, other
- NAICS: 332722
- USDA: 1
Bolts and bolts and their nuts or washers exported in the same shipment
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