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Socket Head Cap Screw NSN 5305-00-427-6738

Item Description

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.

NSN 5305-00-427-6738 NSN: 5305-00-427-6738

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.499 inches and 0.580 inches
Fastener Length
Between 0.594 inches and 0.625 inches
Head Style
Flat countersunk
Head Diameter
Between 0.177 inches and 0.225 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
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
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
Unjc
Specification Data
80205-nas1189 professional/industrial association standard
FSC
5305 Screws
NIIN
004276738
NSN
5305004276738

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1189-04P10
Cage Code:
17446
Status:
A
MSDS:
Part Number:
LK1189-04P10
Cage Code:
26304
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318152000
  • NAICS: 332722
  • SITC: 69421
  • Description: Bolts and bolts and their nuts or washers exported in the same shipment
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-00-427-6738
What are the manufacturers of nsn 5305004276738?
Does this nsn 5305004276738 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305004276738
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.
Does nsn 5305004276738 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305004276738 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305004276738?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
App. Key:
SC
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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