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Close Tolerance Screw NSN 5305-01-561-4639

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 5305-01-561-4639 NSN: 5305-01-561-4639

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.641 inches
Fastener Length
1.266 inches
Head Style
Oval countersunk
Head Diameter
0.564 inches
Grip Diameter
0.374 inches
Internal Drive Style
High-torque
End Application
F-15 aircraft
Thread Diameter
0.375 inches
Grip Length
0.625 inches
Thready Qty Per Inch (tpi)
24
Countersink Angle
100.0 degrees
Material
Nickel alloy 718
Material Specification
Ams 5662 assn standard single material response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
015614639
NSN
5305015614639

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HT4027-6D10
Cage Code:
06950
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7508900000
  • NAICS: 332999
  • SITC: 69975
  • Description: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-01-561-4639
What are the manufacturers of nsn 5305015614639?
Does this nsn 5305015614639 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305015614639
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 5305015614639 contain any precious metals?
No precious metal content.
Does nsn 5305015614639 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305015614639?
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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