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Thumbscrew NSN 5305-00-255-5481

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 5305-00-255-5481 NSN: 5305-00-255-5481

Features and Characteristics

Thread Class
2a
Thread Length
0.547 inches
Fastener Length
1.031 inches
Head Style
Knurled no. 1
Head Diameter
1.000 inches
Head Height
0.312 inches
Point Length
0.359 inches
Point Diameter
0.375 inches
Point Style
Universal
Thread Diameter
0.250 inches
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
20
Point Swivel Included Angle
40.0 degrees
Material
Steel
Surface Treatment
Zinc
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
002555481
NSN
5305002555481

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CL17SH
Cage Code:
99862
Status:
A
MSDS:
Part Number:
C3910-17
Cage Code:
81755
Status:
A
MSDS:
Part Number:
CL17SHS
Cage Code:
99862
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 5305-00-255-5481
What are the manufacturers of nsn 5305002555481?
Does this nsn 5305002555481 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002555481
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 5305002555481 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002555481 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002555481?
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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