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Close Tolerance Screw NSN 5305-00-324-9303

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 5305-00-324-9303 NSN: 5305-00-324-9303

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.320 inches and 0.370 inches
Fastener Length
Between 0.518 inches and 0.548 inches
Head Style
Pan
Head Diameter
Between 0.289 inches and 0.322 inches
Head Height
Between 0.105 inches and 0.115 inches
Grip Diameter
Between 0.1625 inches and 0.1635 inches
Internal Drive Style
Cross recess type 1
End Application
Aircraft, stratolifter c-135
Thread Diameter
0.164 inches
Grip Length
Between 0.178 inches and 0.198 inches
Thready Qty Per Inch (tpi)
32
Surface Finish
32.0 microinches threads
Material
Iron alloy 660
Material Specification
Ams 5737 assn standard single material response
Surface Treatment
Chromate and cadmium
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Series Designator
Unjc
FSC
5305 Screws
NIIN
003249303
NSN
5305003249303

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACB30LK2-3
Cage Code:
17446
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 5305-00-324-9303
What are the manufacturers of nsn 5305003249303?
Does this nsn 5305003249303 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305003249303
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 5305003249303 contain any precious metals?
No precious metal content.
Does nsn 5305003249303 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305003249303?
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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