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Socket Head Cap Screw NSN 5305-01-285-2020

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

NSN 5305-01-285-2020 NSN: 5305-01-285-2020

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.235 inches and 0.327 inches
Fastener Length
Between 0.297 inches and 0.327 inches
Head Style
Binding
Head Diameter
Between 0.298 inches and 0.313 inches
Head Height
0.082 inches
Spline Minor Diameter
Between 0.080 inches and 0.082 inches
Spline Major Diameter
0.098 inches
Spline Width
Between 0.021 inches and 0.022 inches
Internal Drive Style
Six spline
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 1 federal specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
012852020
NSN
5305012852020

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1562278-1
Cage Code:
10001
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 5305-01-285-2020
What are the manufacturers of nsn 5305012852020?
Does this nsn 5305012852020 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012852020
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.
Does nsn 5305012852020 contain any precious metals?
No precious metal content.
Does nsn 5305012852020 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012852020?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
App. Key:
SC
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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