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Machine Screw NSN 5305-01-574-3621

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 5305-01-574-3621 NSN: 5305-01-574-3621

Features and Characteristics

Thread Class
3d
Thread Direction
Right-hand
Thread Length
0.437 inches
Fastener Length
0.469 inches
Head Style
Hexagon
Head Height
Between 0.080 inches and 0.093 inches
Width Between Flats
Between 0.243 inches and 0.251 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Part Name Assigned By Controlling Agency
Screw, hex head, cruciform recess, full thread, allow steel, 160, 000 psi tensile
Screw Material
Steel comp e4340 or steel comp 8740
Screw Surface Treatment
Cadmium
Thread Series Designator
Unjc
FSC
5305 Screws
NIIN
015743621
NSN
5305015743621

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1801-06-07
Cage Code:
80205
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 5305-01-574-3621
What are the manufacturers of nsn 5305015743621?
Does this nsn 5305015743621 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305015743621
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 5305015743621 contain any precious metals?
No precious metal content.
Does nsn 5305015743621 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305015743621?
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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