Part Number NAS623-4-31 Machine Screw
SKU: 5305011071222NAS623431 Machine Screw Datasheet
National aerospace standards part number NAS623-4-31
Thread Direction:
Right-hand
Thread Length:
Between 0.291 inches and 0.341 inches
Fastener Length:
Between 2.239 inches and 2.269 inches
Head Style:
Pan
Head Diameter:
Between 0.473 inches and 0.492 inches
Head Height:
Between 0.162 inches and 0.175 inches
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Screw Material:
Steel comp 4140 or steel comp E4340 or steel comp 8740
Screw Material Specification:
MIL-S-5626 military specification 1ST material response or MIL-S-5000 military specification 2ND material response or MIL-S-6049 military specification 3RD material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
QQ-P-416 type 2, class 2 federal specification single treatment response
Specification Data:
80205-NAS623 professional/industrial association standard
Manufacturer Cage:
80205
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
Aerospace Hardware Guarantee
Genuine Manufacturers Parts
100% Product Inspection
7 year Sales Record Retention
Fast On-Time Delivery
HAZMAT Certified
Global Shipping