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Thumbscrew NSN 5305-00-779-5921

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 5305-00-779-5921 NSN: 5305-00-779-5921

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.813 inches
Fastener Length
1.563 inches
Head Style
Knurled no. 1
Head Diameter
0.625 inches
Head Height
0.125 inches
Point Length
0.625 inches
Point Diameter
0.172 inches
Point Style
Chamfer dog
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Point Chamfer Angle
9.0 degrees
Material
Steel
Material Specification
Qq-s-633 federal specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, class 1 federal specification single treatment response
Thread Series Designator
Uns
FSC
5305 Screws
NIIN
007795921
NSN
5305007795921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A25-3-183
Cage Code:
81361
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 5305-00-779-5921
What are the manufacturers of nsn 5305007795921?
Does this nsn 5305007795921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305007795921
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 5305007795921 contain any precious metals?
No precious metal content.
Does nsn 5305007795921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305007795921?
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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