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Socket Head Cap Screw NSN 5305-01-643-8697

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 5305-01-643-8697 NSN: 5305-01-643-8697

Features and Characteristics

Thread Direction
Right-hand
Thread Length
1.375 inches
Fastener Length
1.375 inches
Head Style
Flat fillister
Head Diameter
0.375 inches
Head Height
0.25 inches
Head Length
0.25 inches
Internal Drive Style
Square
Thread Diameter
0.25 inches
Width Across Flats
0.187 inches
Thready Qty Per Inch (tpi)
20
Hole Configuration Style
Square flats
Part Name Assigned By Controlling Agency
Skt cap scrw, std, 18-8, 1/4-20x1-3/8, pk25
Special Features
Temp range -65 degrees f to 300 degrees f meets/exceeds asme b18.3 and astm f837 min. Tensile strength 80, 000 psi rockwell hardness b81 to b100.
Color
Silver
Material
Steel property class 18.8
FSC
5305 Screws
NIIN
016438697
NSN
5305016438697

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
24C670
Cage Code:
096Q8
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 5305-01-643-8697
What are the manufacturers of nsn 5305016438697?
Does this nsn 5305016438697 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305016438697
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 5305016438697 contain any precious metals?
No precious metal content.
Does nsn 5305016438697 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305016438697?
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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