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Close Tolerance Screw NSN 5305-01-145-8394

Item Description

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

NSN 5305-01-145-8394 NSN: 5305-01-145-8394

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.997 inches and 1.029 inches
Fastener Length
Between 2.701 inches and 2.717 inches
Head Style
Crowned hexagon
Head Height
Between 0.376 inches and 0.391 inches
Width Between Flats
Between 1.052 inches and 1.064 inches
Locking Feature
Detent ball grip
Grip Diameter
Between 0.7486 inches and 0.7491 inches
Shank Unthreaded Hole Diameter
0.141 inches first hole and 0.151 inches first hole
Internal Drive Style
Slot
Thread Diameter
0.750 inches
Grip Length
Between 1.688 inches and 1.704 inches
Thready Qty Per Inch (tpi)
16
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
38.0 rockwell c fastener and 45.0 rockwell c fastener
Distance From Head Largest Bearing Surface To Shank Hole Center
2.503 inches first hole and 2.519 inches first hole
Surface Finish
32.0 microinches grip
Material
Steel comp 631 spring or steel comp 302 spring
Material Specification
Ams5678 assn standard 1st material response spring or astm a580 cond. A assn standard 2nd material response spring
Surface Treatment
Passivate spring
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
011458394
NSN
5305011458394

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS205-12-27
Cage Code:
84256
Status:
A
MSDS:
Part Number:
GB511DW12-27
Cage Code:
26512
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 5305-01-145-8394
What are the manufacturers of nsn 5305011458394?
Does this nsn 5305011458394 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011458394
A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is designed to be held or driven with an inserted driver. it is not designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads.
Does nsn 5305011458394 contain any precious metals?
No precious metal content.
Does nsn 5305011458394 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011458394?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
App. Key:
SS
Cond. Code:
1
Status:
A

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