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Close Tolerance Screw NSN 5305-01-273-4382

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 5305-01-273-4382 NSN: 5305-01-273-4382

  Stock Availability

NSN 5305012734382 availability
(as of 10/04/2023).

  • NE: 206
  • NS: 1

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
Between 0.307 inches and 0.357 inches
Fastener Length
Between 1.478 inches and 1.498 inches
Head Style
Crowned hexagon
Head Height
Between 0.157 inches and 0.172 inches
Width Between Flats
Between 0.492 inches and 0.502 inches
Locking Feature
Detent ball
Grip Diameter
Between 0.3112 inches and 0.3117 inches
Shank Unthreaded Hole Diameter
0.076 inches and 0.086 inches
Internal Drive Style
Slot
End Application
Aircraft model sh-60b
Thread Diameter
0.312 inches
Grip Length
Between 1.000 inches and 1.016 inches
Thready Qty Per Inch (tpi)
24
Distance From Head Largest Bearing Surface To Shank Hole Center
1.365 inches first hole and 1.385 inches first hole
Surface Finish
32.0 microinches bearing surface of head
Material
Steel
Material Specification
Ams5629 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
012734382
NSN
5305012734382

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SS5112-516
Cage Code:
78286
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 5305-01-273-4382
What are the manufacturers of nsn 5305012734382?
Does this nsn 5305012734382 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012734382
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 5305012734382 contain any precious metals?
No precious metal content.
Does nsn 5305012734382 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012734382?
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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