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Close Tolerance Screw NSN 5305-01-494-9100

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 5305-01-494-9100 NSN: 5305-01-494-9100

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.615 inches and 0.682 inches
Fastener Length
Between 1.605 inches and 1.692 inches
Head Style
Flat countersunk undercut
Head Diameter
Between 0.756 inches and 0.760 inches
Head Height
Between 0.115 inches and 0.117 inches
Grip Diameter
Between 0.3740 inches and 0.3745 inches
Internal Drive Style
High-torque
Thread Diameter
0.375 inches
Grip Length
Between 0.990 inches and 1.010 inches
Thready Qty Per Inch (tpi)
24
Countersink Angle
99.0 degrees
Surface Finish
32.0 microinches threads
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp xm-13
Material Specification
Ams 5629 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
014949100
NSN
5305014949100

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HT4020-6-16
Cage Code:
17446
Status:
A
MSDS:
Part Number:
ST3M652C6-16D
Cage Code:
76301
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 5305-01-494-9100
What are the manufacturers of nsn 5305014949100?
Does this nsn 5305014949100 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014949100
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 5305014949100 contain any precious metals?
No precious metal content.
Does nsn 5305014949100 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014949100?
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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