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Machine Screw NSN 5305-01-188-9979

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 5305-01-188-9979 NSN: 5305-01-188-9979

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
Between 0.345 inches and 0.375 inches
Head Style
Fillister
Head Diameter
Between 0.221 inches and 0.226 inches
Head Height
Between 0.074 inches and 0.086 inches
Internal Drive Style
Tri-wing recess
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Screw Material
Iron alloy 660
Screw Material Specification
Ams5731 assn standard single material response or ams5737 assn standard single material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Nas4003 assn standard single treatment response
Thread Series Designator
Unjc
Specification Data
80205-nas5401 professional/industrial association standard
FSC
5305 Screws
NIIN
011889979
NSN
5305011889979

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS5401U6
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 5305-01-188-9979
What are the manufacturers of nsn 5305011889979?
Does this nsn 5305011889979 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011889979
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 5305011889979 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305011889979 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011889979?
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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