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Machine Screw NSN 5305-00-318-8631

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 5305-00-318-8631 NSN: 5305-00-318-8631

Features and Characteristics

Thread Class
2a
Thread Length
Between 0.165 inches and 0.246 inches
Fastener Length
Between 0.282 inches and 0.313 inches
Head Style
Flat countersunk
Head Diameter
Between 0.207 inches and 0.225 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
80000 pounds per square inch
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Special Features
Color no. 36231 federal standard 595
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
003188631
NSN
5305003188631

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7581383P0021
Cage Code:
99971
Status:
A
MSDS:
Part Number:
7581383P21
Cage Code:
99971
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5305-00-318-8631
What are the manufacturers of nsn 5305003188631?
Does this nsn 5305003188631 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305003188631
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 5305003188631 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305003188631 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305003188631?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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