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Close Tolerance Screw NSN 5305-01-049-8195

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 5305-01-049-8195 NSN: 5305-01-049-8195

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.756 inches and 0.806 inches
Fastener Length
Between 1.328 inches and 1.358 inches
Head Style
Oval countersunk
Head Diameter
Between 0.747 inches and 0.752 inches
Grip Diameter
Between 0.4990 inches and 0.4995 inches
Internal Drive Style
High-torque
Thread Diameter
0.500 inches
Grip Length
Between 0.552 inches and 0.572 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
160000 pounds per square inch
Countersink Angle
100.0 degrees
Surface Finish
32.0 microinches top of head
Special Features
Dry film lubricant p.S. 18021 cl 1
Material
Titanium alloy
Thread Series Designator
Unjf
Specification Data
76301-st3-466 professional/industrial association standard
FSC
5305 Screws
NIIN
010498195
NSN
5305010498195

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HT4028L8-9M
Cage Code:
17446
Status:
A
MSDS:
Part Number:
ST3M466V8L9M1
Cage Code:
76301
Status:
A
MSDS:
Part Number:
11909V8L9M1
Cage Code:
59563
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 5305-01-049-8195
What are the manufacturers of nsn 5305010498195?
Does this nsn 5305010498195 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010498195
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 5305010498195 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010498195 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010498195?
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
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