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Close Tolerance Screw NSN 5305-01-147-9775

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 5305-01-147-9775 NSN: 5305-01-147-9775

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.325 inches and 0.392 inches
Fastener Length
Between 1.210 inches and 1.257 inches
Head Style
Flat countersunk
Head Diameter
Between 0.573 inches and 0.635 inches
Grip Diameter
Between 0.3108 inches and 0.3117 inches
Internal Drive Style
High-torque
Thread Diameter
0.312 inches
Grip Length
Between 0.865 inches and 0.885 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
220000 pounds per square inch
Hardness Rating
46.0 rockwell c and 50.0 rockwell c
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
32.0 microinches grip
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp h11
Material Specification
Ams6487 assn standard single material response
Surface Treatment
Cadmium or cadmium and chromate
Surface Treatment Specification
Nas672 assn standard 1st treatment response or mil-c-8837 ty2 cl2 military specification 2nd treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
011479775
NSN
5305011479775

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BM19045-5A14
Cage Code:
17446
Status:
A
MSDS:
Part Number:
GB510N5A14
Cage Code:
92215
Status:
A
MSDS:
Part Number:
SFH22D5A14
Cage Code:
80539
Status:
A
MSDS:
Part Number:
HT8181F5-14
Cage Code:
92215
Status:
A
MSDS:
Part Number:
HT326-5A14
Cage Code:
73197
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 5305-01-147-9775
What are the manufacturers of nsn 5305011479775?
Does this nsn 5305011479775 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011479775
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 5305011479775 contain any precious metals?
No precious metal content.
Does nsn 5305011479775 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011479775?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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