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Thumbscrew NSN 5305-01-128-2481

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 5305-01-128-2481 NSN: 5305-01-128-2481

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
Between 10.695 inches and 10.815 inches
Head Style
Double chamfer
Head Diameter
0.800 inches
Head Height
1.000 inches
Shoulder Diameter
0.625 inches first shoulder
Shoulder Length
6.840 inches first shoulder and 6.940 inches first shoulder
Point Style
Oval
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Shoulder Shape
Round first shoulder
Special Features
Threaded area 0.120 in. Lg; 5/16-24; 1.120 in. From shoulder; medium diamond knurl
Material
Steel comp 303
Material Specification
Astm a582 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
011282481
NSN
5305011282481

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
13143689-1
Cage Code:
18876
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 5305-01-128-2481
What are the manufacturers of nsn 5305011282481?
Does this nsn 5305011282481 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011282481
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 5305011282481 contain any precious metals?
No precious metal content.
Does nsn 5305011282481 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011282481?
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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