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Socket Head Cap Screw NSN 5305-01-021-3749

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 5305-01-021-3749 NSN: 5305-01-021-3749

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.514 inches and 0.596 inches
Fastener Length
Between 0.609 inches and 0.641 inches
Head Style
Flat countersunk
Head Diameter
Between 0.213 inches and 0.225 inches
Locking Feature
Patch threads
Internal Drive Style
Cross recess type 1
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
160000 pounds per square inch
Countersink Angle
100.0 degrees
Surface Finish
32.0 microinches threads
Material
Iron alloy 660
Surface Treatment
Passivate and cadmium and chromate
Surface Treatment Specification
Qq-p-35 federal specification 1st treatment response and qq-p-416 type 2, cl 2 federal specification 2nd treatment response
Thread Series Designator
Unjc
Specification Data
80205-nas1741 professional/industrial association standard
FSC
5305 Screws
NIIN
010213749
NSN
5305010213749

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1741C04R10
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 5305-01-021-3749
What are the manufacturers of nsn 5305010213749?
Does this nsn 5305010213749 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010213749
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 5305010213749 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010213749 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010213749?
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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