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Socket Head Cap Screw NSN 5305-01-049-4017

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 5305-01-049-4017 NSN: 5305-01-049-4017

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.506 inches and 0.572 inches
Fastener Length
Between 0.891 inches and 0.937 inches
Head Style
Flat countersunk
Head Diameter
Between 0.569 inches and 0.635 inches
Locking Feature
Patch threads
Internal Drive Style
Cross recess type 1
End Application
Helicopter, advance attack
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Countersink Angle
100.0 degrees
Material
Steel comp 4037 or steel comp 8630
Material Specification
Ams 6300 assn standard 1st material response or mil-s-6050 military specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, cl 3 federal specification all treatment responses
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
010494017
NSN
5305010494017

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS21091-5006
Cage Code:
96906
Status:
A
MSDS:
Part Number:
LK21091-5006
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 5305-01-049-4017
What are the manufacturers of nsn 5305010494017?
Does this nsn 5305010494017 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010494017
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 5305010494017 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010494017 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010494017?
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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