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Close Tolerance Screw NSN 5305-00-283-7457

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 5305-00-283-7457 NSN: 5305-00-283-7457

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.505 inches and 0.572 inches
Fastener Length
Between 0.890 inches and 0.937 inches
Head Style
Flat countersunk undercut
Head Diameter
Between 0.629 inches and 0.634 inches
Head Height
Between 0.088 inches and 0.090 inches
Grip Diameter
Between 0.3115 inches and 0.3120 inches
Internal Drive Style
High-torque
End Application
Aircraft, hornet f/a-18 (e/f); aircraft, harrier av-8b; aircraft, eagle f-15
Thread Diameter
0.312 inches
Grip Length
Between 0.365 inches and 0.385 inches
Thready Qty Per Inch (tpi)
24
Countersink Angle
Between 99.5 degrees and 100.5 degrees
Surface Finish
32.0 microinches threads
Special Features
Furnished with one o-ring seal
Material
Titanium alloy
Material Specification
Nas621 comp 6al-4v assn standard single material response or ams4928 assn standard single material response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
002837457
NSN
5305002837457

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
110179-5-6AS
Cage Code:
80539
Status:
A
MSDS:
Part Number:
BM33024V5-6U
Cage Code:
17446
Status:
A
MSDS:
Part Number:
HT8137-5-6AS
Cage Code:
06950
Status:
A
MSDS:
Part Number:
HT271A5-6
Cage Code:
73197
Status:
A
MSDS:
Part Number:
ST3M430V5-6AS
Cage Code:
92215
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8109900000
  • NAICS: 331491
  • SITC: 69987
  • Description: Zirconium and articles thereof nesoi
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-00-283-7457
What are the manufacturers of nsn 5305002837457?
Does this nsn 5305002837457 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002837457
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 5305002837457 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002837457 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002837457?
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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