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Machine Screw NSN 5305-00-237-9579

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 5305-00-237-9579 NSN: 5305-00-237-9579

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.280 inches
Fastener Length
Between 0.310 inches and 0.320 inches
Head Style
Flat chamfer
Head Diameter
Between 0.423 inches and 0.425 inches
Head Height
Between 0.180 inches and 0.190 inches
Internal Drive Style
Slot
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
150000 pounds per square inch
Criticality Code Justification
Feat
Screw Material
Steel comp 4130 or steel comp 8630
Screw Material Specification
Mil-s-6058 military specification 1st material response or mil-s-6050 military specification 2nd material response
Screw Surface Treatment
Cadmium
Screw Surface Treatment Specification
F1.20 fscm 81205 mfr ref single treatment response
Special Features
Requires heat treat and dimensions to be concentric within .005
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
002379579
NSN
5305002379579

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
60-6656
Cage Code:
81205
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 5305-00-237-9579
What are the manufacturers of nsn 5305002379579?
Does this nsn 5305002379579 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002379579
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 5305002379579 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002379579 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002379579?
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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  •   Quality Inspected Parts
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