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Close Tolerance Screw NSN 5305-00-151-8677

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 5305-00-151-8677 NSN: 5305-00-151-8677

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.277 inches and 0.328 inches
Fastener Length
Between 4.559 inches and 4.579 inches
Head Style
Crowned hexagon
Head Height
Between 0.126 inches and 0.141 inches
Width Between Flats
Between 0.430 inches and 0.439 inches
Grip Diameter
Between 0.2485 inches and 0.2495 inches
Shank Unthreaded Hole Diameter
0.081 inches first hole
Internal Drive Style
Slot
Thread Diameter
0.250 inches
Grip Length
Between 4.125 inches and 4.141 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
39.0 rockwell c and 45.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
4.482 inches first hole
Surface Finish
63.0 microinches grip
Special Features
Retaining balls in shank
Material
Steel comp 8740
Material Specification
Mil-s-6049 military specification single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2 cl 3 federal specification single treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
001518677
NSN
5305001518677

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CA2630-05-66
Cage Code:
29372
Status:
A
MSDS:
Part Number:
AS108-04-66
Cage Code:
84256
Status:
A
MSDS:
Part Number:
VP1119-4-66
Cage Code:
92215
Status:
A
MSDS:
Part Number:
CA2630-0466
Cage Code:
29372
Status:
A
MSDS:
Part Number:
MS3369B466
Cage Code:
80205
Status:
A
MSDS:
Part Number:
GB511AE3-04-66
Cage Code:
26512
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 5305-00-151-8677
What are the manufacturers of nsn 5305001518677?
Does this nsn 5305001518677 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305001518677
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 5305001518677 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305001518677 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305001518677?
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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