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Close Tolerance Screw NSN 5305-01-043-1879

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 5305-01-043-1879 NSN: 5305-01-043-1879

Features and Characteristics

Thread Class
3
Thread Direction
Right-hand
Thread Length
Between 0.211 inches and 0.278 inches
Fastener Length
Between 0.908 inches and 0.955 inches
Head Style
Flat countersunk
Head Diameter
Between 0.325 inches and 0.385 inches
Grip Diameter
Between 0.1885 inches and 0.1894 inches
Internal Drive Style
High-torque
Thread Diameter
0.190 inches
Grip Length
Between 0.677 inches and 0.697 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
220000 pounds per square inch
Hardness Rating
46.0 rockwell c and 50.0 rockwell c
Countersink Angle
100.0 degrees
Surface Finish
32.0 microinches grip
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp h11
Material Specification
Ams 6487 assn standard single material response
Surface Treatment
Cadmium or cadmium and chromate
Surface Treatment Specification
Nas 672 assn standard 1st treatment response or mil-c-8837 type 2 cl 2 military specification 2nd treatment response
Thread Series Designator
Unjf
Specification Data
26512-gb510n manufacturers standard
FSC
5305 Screws
NIIN
010431879
NSN
5305010431879

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BM19045-3-11A
Cage Code:
17446
Status:
A
MSDS:
Part Number:
HT326-3A11
Cage Code:
73197
Status:
A
MSDS:
Part Number:
SFH22D3A11
Cage Code:
80539
Status:
A
MSDS:
Part Number:
HT8181F3-11
Cage Code:
92215
Status:
A
MSDS:
Part Number:
GB510N3A11
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 5305-01-043-1879
What are the manufacturers of nsn 5305010431879?
Does this nsn 5305010431879 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010431879
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 5305010431879 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010431879 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010431879?
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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  •   Quality Inspected Parts
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