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Close Tolerance Screw NSN 5305-01-186-9286

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 5305-01-186-9286 NSN: 5305-01-186-9286

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.515 inches and 0.555 inches
Fastener Length
Between 1.463 inches and 1.483 inches
Head Style
Flat countersunk
Head Diameter
0.508 inches
Grip Diameter
Between 0.2490 inches and 0.2495 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Grip Length
Between 0.928 inches and 0.948 inches
Width Across Flats
Between 0.1565 inches and 0.1587 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
160000 pounds per square inch
Countersink Angle
100.0 degrees
Surface Finish
32.0 microinches threads
Special Features
3 keyways 1.317 in. Min. And 1.347 in. Max long, 0.040 in. Min and 0.044 in. Max wide machined in shank, bore machined in thread end to receive plug
Material
Iron alloy 660
Material Specification
Ams 5732 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
011869286
NSN
5305011869286

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CA2193-4-15
Cage Code:
29372
Status:
A
MSDS:
Part Number:
LE111-0002-4015
Cage Code:
43999
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 5305-01-186-9286
What are the manufacturers of nsn 5305011869286?
Does this nsn 5305011869286 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011869286
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 5305011869286 contain any precious metals?
No precious metal content.
Does nsn 5305011869286 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011869286?
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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