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Socket Head Cap Screw NSN 5305-00-397-4449

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 5305-00-397-4449 NSN: 5305-00-397-4449

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.086 inches and 0.159 inches
Fastener Length
Between 0.158 inches and 0.188 inches
Head Style
Flat countersunk
Head Diameter
Between 0.156 inches and 0.172 inches
Locking Feature
Patch or pellet or strip threads
Internal Drive Style
Cross recess type 1
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Min. Tensile Strength (psi)
60000 pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 1010
Material Specification
Qq-s-634 federal specification single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Series Designator
Unc
Specification Data
80205-nas662 professional/industrial association standard
FSC
5305 Screws
NIIN
003974449
NSN
5305003974449

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS662-2LER3
Cage Code:
80205
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 5305-00-397-4449
What are the manufacturers of nsn 5305003974449?
Does this nsn 5305003974449 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305003974449
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 5305003974449 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305003974449 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305003974449?
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
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