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Close Tolerance Screw NSN 5305-01-338-3350

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 5305-01-338-3350 NSN: 5305-01-338-3350

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.425 inches
Fastener Length
Between 1.472 inches and 1.502 inches
Head Style
Flat countersunk
Head Diameter
Between 0.465 inches and 0.510 inches
Grip Diameter
Between 0.2802 inches and 0.2807 inches
Internal Drive Style
High-torque
Thread Diameter
0.250 inches
Grip Length
Between 1.052 inches and 1.072 inches
Features Provided
Cetyl alcohol lubricant
Thready Qty Per Inch (tpi)
28
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
63.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
Special Features
Red dye or paint on thread end before lubrication
Material
Titanium alloy uns r56400
Material Specification
Ams 4928 assn standard single material response or ams 4967 assn standard single material response
Surface Treatment
Phosphate
Surface Treatment Specification
Bac 5861, cage81205 mfr ref single treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
013383350
NSN
5305013383350

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACB30MS4R17
Cage Code:
17446
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8109900000
  • NAICS: 331491
  • SITC: 69987
  • Description: Zirconium and articles thereof nesoi
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-01-338-3350
What are the manufacturers of nsn 5305013383350?
Does this nsn 5305013383350 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013383350
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 5305013383350 contain any precious metals?
No precious metal content.
Does nsn 5305013383350 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013383350?
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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