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Socket Head Cap Screw NSN 5305-01-273-1621

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 5305-01-273-1621 NSN: 5305-01-273-1621

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.220 inches and 0.312 inches
Fastener Length
Between 0.282 inches and 0.312 inches
Head Style
Pan
Head Diameter
Between 0.256 inches and 0.270 inches
Head Height
Between 0.087 inches and 0.097 inches
Locking Feature
Pellet threads
Internal Drive Style
Cross recess type 1
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Color
Black fastener
Material
Stainless steel fastener
Surface Treatment
Oxide fastener
Surface Treatment Specification
Mil-c-13924 cl 3 military specification single treatment response fastener
Thread Series Designator
Unc
Specification Data
80205-nas1635 professional/industrial association standard
FSC
5305 Screws
NIIN
012731621
NSN
5305012731621

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1635-06LN5P
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 5305-01-273-1621
What are the manufacturers of nsn 5305012731621?
Does this nsn 5305012731621 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012731621
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 5305012731621 contain any precious metals?
No precious metal content.
Does nsn 5305012731621 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012731621?
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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