NAS1581C4T5

Close Tolerance Screw

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Description:

length: 0.715", thread: 1/2-28, shear, flush reduced head, cadmium plated corrosion resistant steel, offset cruciform, NAS1581 series screw

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NAS1581C4T5
NAS1581C4T5
NAS1581C4T5
NAS1581C4T5
NAS1581C4T5
NAS1581C4T5
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NAS1581C4T5 Datasheet Features and Specification

Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Fastener Length:
Between 0.700 inches and 0.730 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Grip Length:
Between 0.302 inches and 0.322 inches
Head Diameter:
Between 0.350 inches and 0.399 inches
Head Style:
Flat countersunk
Internal Drive Style:
Offset cruciform (torque set)
Material:
Iron alloy 660
Material Specification:
Ams 5731 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response
Min. Tensile Strength (psi):
160000 pounds per square inch
Thread Diameter:
0.250 inches
Specification Data:
80205-nas1581 professional/industrial association standard
Surface Finish:
32.0 microinches grip
Surface Finish:
32.0 microinches threads
Surface Treatment:
Passivate
Surface Treatment Specification:
Qq-p-35 federal specification single treatment response
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.378 inches and 0.428 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Iron

Additional Information

SKU / Model: NAS1581C4T5
NSN: 5305-01-077-5804
FSC: Screws / 5305
Product Series: NAS1581C
Pack Weight (Approx.) 0.191 lb
Minimum Qty (MOQ): 20
Schedule B: 7318.15.2095
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581C4T5_Military-Fasteners-com.pdf
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More NAS1581C close tolerance screws

NAS1581C6T8P

length: 1.094", thread: 3/8-24 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

NAS1581C5T8P

length: 1.001", thread: 5/16-24 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform"

NAS1581C4T8

length: 0.903", thread: 1/2-28 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

NAS1581C4T7

Length: 0.841in., thread: 1/2-28 shear, flush reduced head bolt, cadmium plated corrosion resistant steel, offset cruciform

NAS1581C4T6

Length: 0.778in., thread: 1/2-28 shear flush reduced head cadmium plated corrosion resistant steel offset cruciform

NAS1581C4T4P

length: 0.653", thread: 1/2-28 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

Product Image Gallery

Product code NAS1581C4T5
NAS1581C4T5
NAS1581C4T5
NAS1581C4T5
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