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Socket Head Cap Screw NSN 5305-00-297-9170

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 5305-00-297-9170 NSN: 5305-00-297-9170

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.625 inches
Fastener Length
4.188 inches
Head Style
Flat chamfer
Head Diameter
0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.188 inches and 0.190 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
38.0 rockwell c and 43.0 rockwell c
Material
Steel comp 4047 or steel comp 4140 or steel comp 5140 or steel comp 8640
Surface Treatment
Cadmium or zinc
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
002979170
NSN
5305002979170

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8689239
Cage Code:
19207
Status:
A
MSDS:
Part Number:
5305002979170
Cage Code:
SCY13
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 5305-00-297-9170
What are the manufacturers of nsn 5305002979170?
Does this nsn 5305002979170 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002979170
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 5305002979170 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002979170 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002979170?
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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