Part Number NAS1287C4 Extended Washer Self-locking Nut
SKU: 5310000569524NAS1287C4 Extended Washer Self-locking Nut Datasheet
National aerospace standards part number NAS1287C4
Thread Direction:
Right-hand
Locking Feature:
Prevailing torque all metal design
Washer Outside Diameter:
0.416 inches
Counterbore Diameter:
0.254 inches nut
Overall Height:
0.280 inches
Nut Style:
Hexagon
Nut Counterbore Depth:
0.090 inches nut
Width Across Flats:
Between 0.304 inches and 0.316 inches
Tempurature Rating:
1400.0 degrees fahrenheit
Thread Series:
Unjf
Thready Qty Per Inch (tpi):
28
Hardness Rating:
Between 36.0 rockwell c and 42.0 rockwell c
Thread Size:
0.250 inches
Part Name Assigned By Controlling Agency:
Navy special project
Material Specification:
Ams 5756 assn standard single material response
Surface Treatment Specification:
Ams 6304 assn standard single treatment response locking insert
Manufacturer Cage:
80205
Trade Information:
- Schedule B: 7508900000
- SITC: 69975
- End Use: Finished metal shapes
- NAICS: 332999
- USDA: 1
Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
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