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Close Tolerance Screw NSN 5305-01-443-4917

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 5305-01-443-4917 NSN: 5305-01-443-4917

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.276 inches
Fastener Length
0.338 inches
Head Style
Flat fillister
Head Diameter
Between 0.221 inches and 0.226 inches
Head Height
Between 0.074 inches and 0.076 inches
Grip Diameter
Between 0.1365 inches and 0.1375 inches
Internal Drive Style
Cross recess type ii
Thread Diameter
0.138 inches
Grip Length
0.062 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Special Features
Drilled head
Material
Steel comp e4340 or steel comp 4140 or steel comp 4340 or steel comp 8740
Surface Treatment
Passivate
Thread Series Designator
Unjc
FSC
5305 Screws
NIIN
014434917
NSN
5305014434917

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1121E1H
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 5305-01-443-4917
What are the manufacturers of nsn 5305014434917?
Does this nsn 5305014434917 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014434917
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 5305014434917 contain any precious metals?
No precious metal content.
Does nsn 5305014434917 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014434917?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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