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Close Tolerance Screw NSN 5305-01-048-6597

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 5305-01-048-6597 NSN: 5305-01-048-6597

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
Between 0.985 inches and 1.015 inches
Head Style
Flat countersunk
Head Diameter
Between 0.429 inches and 0.477 inches
Grip Diameter
Between 0.3110 inches and 0.3120 inches
Internal Drive Style
High-torque
Thread Diameter
0.312 inches
Grip Length
Between 0.615 inches and 0.635 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Countersink Angle
100.0 degrees
Material
Steel comp e4340 or steel comp 8740
Material Specification
Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 5322 assn standard 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 ty2 cl2 federal specification single treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
010486597
NSN
5305010486597

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
ASE50286-22
Cage Code:
77445
Status:
A
MSDS:
Part Number:
LS15237-5-10
Cage Code:
98897
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 5305-01-048-6597
What are the manufacturers of nsn 5305010486597?
Does this nsn 5305010486597 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010486597
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 5305010486597 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010486597 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010486597?
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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