NSN 5305-00-488-5931
Button Head Socket Screw
About this product
Between 1.188 inches and 1.250 inches fastener length, flat countersunk head style, between 0.442 inches and 0.507 inches head diameter, locking feature: strip threads.
Manufacturer part number NAS1189-4P20L for national stock number 5305004885931.
Datasheet
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Product description
Socket Head Cap Screw NSN 5305-00-488-5931.
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MPN or Model
NAS1189-4P20L
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
096640 - Screws, Iron Or Steel -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 1.011 inches and 1.144 inches -
Fastener Length
Between 1.188 inches and 1.250 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.442 inches and 0.507 inches -
Locking Feature
Strip threads -
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 -
Hardness Rating
36.0 rockwell c and 40.0 rockwell c -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Surface Finish
32.0 microinches threads -
Part Name Assigned By Controlling Agency
Navy special project -
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 -
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response -
Thread Series Designator
Unjf -
Specification Data
80205-nas1189 professional/industrial association standard
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Socket Head Cap Screw
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
Pricing and Availability
Get a quote for 5305-00-488-5931 socket head cap screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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NAS1189-4P20L | National Aerospace Standards |
NAS1189-4P20L | National Aerospace Standards |
NAS1189-4P20L | National Aerospace Standards |
Stock Check
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