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Thumbscrew NSN 5305-00-072-8448

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 5305-00-072-8448 NSN: 5305-00-072-8448

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.250 inches
Fastener Length
0.875 inches
Head Style
Knurled no. 1
Head Diameter
0.500 inches
Head Height
0.188 inches
Shoulder Diameter
0.112 inches first shoulder
Shoulder Length
0.375 inches first shoulder
Point Style
Flat
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Shoulder Shape
Round first shoulder
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
000728448
NSN
5305000728448

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S77720
Cage Code:
97370
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 5305-00-072-8448
What are the manufacturers of nsn 5305000728448?
Does this nsn 5305000728448 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000728448
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 5305000728448 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305000728448 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000728448?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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