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Machine Screw NSN 5305-00-656-0420

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

NSN 5305-00-656-0420 NSN: 5305-00-656-0420

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.658 inches and 0.663 inches
Fastener Length
0.688 inches
Head Style
Flat countersunk
Head Diameter
Between 0.212 inches and 0.216 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Countersink Angle
Between 81.0 degrees and 82.0 degrees
Screw Material
Steel
Screw Surface Treatment
Cadmium
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
006560420
NSN
5305006560420

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9054100
Cage Code:
18876
Status:
A
MSDS:
Part Number:
251-411SCP
Cage Code:
55972
Status:
A
MSDS:
Part Number:
MF0-411SCP
Cage Code:
55972
Status:
A
MSDS:
Part Number:
MF0411SCP
Cage Code:
55972
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 5305-00-656-0420
What are the manufacturers of nsn 5305006560420?
Does this nsn 5305006560420 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006560420
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
Does nsn 5305006560420 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006560420 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006560420?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
App. Key:
Cond. Code:
1
Status:
A

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