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Close Tolerance Screw NSN 5305-01-591-0195

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 5305-01-591-0195 NSN: 5305-01-591-0195

  Stock Availability

NSN 5305015910195 availability
(as of 09/30/2022).

  • NE: 3

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.656 inches
Fastener Length
Between 1.641 inches and 1.671 inches
Head Style
Fillister countersunk
Head Diameter
Between 0.612 inches and 0.672 inches
Head Height
0.020 inches
Grip Diameter
0.437 inches
Point Length
0.062 inches
Point Style
Flat
Internal Drive Style
High-torque
Thread Diameter
0.438 inches
Grip Length
1.000 inches
Thready Qty Per Inch (tpi)
20
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Point Chamfer Angle
45.0 of standard range single treatment response
Part Name Assigned By Controlling Agency
Screw-close tolerance, 100 degrees countersunk, reduced head, hi-torque, non-magnetic cres (125 ksi fsu)
Special Features
Item has a dry film lube applied to the shank and the threads only with 100 percent coverage of threads and 80 to 100 percent coverage of the shank length
Material
Nickel alloy 718
Material Specification
Ams 5662 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Ams 2700 assn standard single treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
015910195
NSN
5305015910195

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HT4027-7-12M
Cage Code:
06950
Status:
A
MSDS:
Part Number:
ST3M557-7-12M
Cage Code:
76301
Status:
A
MSDS:
Part Number:
11923-7-12M
Cage Code:
59563
Status:
A
MSDS:
Part Number:
WC4027-7-12M
Cage Code:
60516
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 5305-01-591-0195
What are the manufacturers of nsn 5305015910195?
Does this nsn 5305015910195 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305015910195
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 5305015910195 contain any precious metals?
No precious metal content.
Does nsn 5305015910195 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305015910195?
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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