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Socket Head Cap Screw NSN 5305-00-548-5790

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 5305-00-548-5790 NSN: 5305-00-548-5790

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.338 inches and 0.438 inches
Fastener Length
0.438 inches
Head Style
Hexagon
Head Height
Between 0.425 inches and 0.438 inches
Width Between Flats
Between 0.150 inches and 0.188 inches
Locking Feature
Strip threads
Internal Drive Style
W/o internal drive
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
23.0 rockwell c and 32.0 rockwell c
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Material Specification
Sae gr 5 assn standard single material response
Surface Treatment
Cadmium
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
005485790
NSN
5305005485790

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NS140DS420N7C
Cage Code:
26233
Status:
A
MSDS:
Part Number:
S4DS420-7C
Cage Code:
14438
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 5305-00-548-5790
What are the manufacturers of nsn 5305005485790?
Does this nsn 5305005485790 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305005485790
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 5305005485790 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305005485790 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305005485790?
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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