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Thumbscrew NSN 5305-00-638-7534

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

NSN 5305-00-638-7534 NSN: 5305-00-638-7534

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.625 inches
Fastener Length
1.188 inches
Head Style
Thumb no. 1
Head Height
0.625 inches
Width Between Flats
1.875 inches
Shoulder Diameter
0.344 inches first shoulder
Shoulder Length
0.188 inches first shoulder
Point Style
Flat
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Shoulder Shape
Round first shoulder
Material
Copper alloy
Precious Material
Silver
Surface Treatment
Silver
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
006387534
NSN
5305006387534

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7014-10
Cage Code:
63848
Status:
A
MSDS:
Part Number:
21-0
Cage Code:
65263
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415338550
  • NAICS: 332722
  • SITC: 69433
  • Description: Other copper screws (not for wood) bolts and nuts
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-00-638-7534
What are the manufacturers of nsn 5305006387534?
Does this nsn 5305006387534 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006387534
An externally threaded fastener whose threaded portion is of one nominal diameter. it may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. it has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. for items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).
Does nsn 5305006387534 contain any precious metals?
Item contains silver.
Does nsn 5305006387534 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006387534?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06673
FIIG:
A003B0
App. Key:
SR
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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