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Socket Head Cap Screw NSN 5305-00-297-2620

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 5305-00-297-2620 NSN: 5305-00-297-2620

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.740 inches
Fastener Length
Between 1.360 inches and 1.380 inches
Head Style
Flat countersunk undercut
Head Diameter
Between 0.619 inches and 0.620 inches
Head Height
Between 0.440 inches and 0.480 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.312 inches and 0.315 inches
Thready Qty Per Inch (tpi)
28
Countersink Angle
40.0 degrees
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
002972620
NSN
5305002972620

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
131B434
Cage Code:
81893
Status:
A
MSDS:
Part Number:
134B434
Cage Code:
24446
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 5305-00-297-2620
What are the manufacturers of nsn 5305002972620?
Does this nsn 5305002972620 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002972620
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 5305002972620 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002972620 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002972620?
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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