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Socket Head Cap Screw NSN 5305-00-273-4951

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 5305-00-273-4951 NSN: 5305-00-273-4951

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.375 inches
Fastener Length
1.750 inches
Head Style
Fillister
Head Diameter
Between 0.615 inches and 0.625 inches
Head Height
Between 0.430 inches and 0.438 inches
Internal Drive Style
Hexagon
Thread Diameter
0.438 inches
Width Across Flats
Between 0.312 inches and 0.315 inches
Thready Qty Per Inch (tpi)
14
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Minimum Yield Strength
140000 pounds per square inch
Material
Steel comp 4135 or steel comp 4137 or steel comp 8635 or steel comp 8640
Material Specification
Qq-s-624 federal specification all material responses
Surface Treatment
Zinc
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and 11 style
FSC
5305 Screws
NIIN
002734951
NSN
5305002734951

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FFS86TYPE1STYLE11
Cage Code:
81348
Status:
A
MSDS:
Part Number:
12Z51PC387
Cage Code:
10001
Status:
A
MSDS:
Part Number:
166345PC14
Cage Code:
10001
Status:
A
MSDS:
Part Number:
196825PC9
Cage Code:
10001
Status:
A
MSDS:
Part Number:
43-S-4369-70
Cage Code:
10001
Status:
A
MSDS:
Part Number:
221513PC2
Cage Code:
10001
Status:
A
MSDS:
Part Number:
273602PC12
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 5305-00-273-4951
What are the manufacturers of nsn 5305002734951?
Does this nsn 5305002734951 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002734951
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 5305002734951 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002734951 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002734951?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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