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Socket Head Cap Screw NSN 5305-01-309-1521

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 5305-01-309-1521 NSN: 5305-01-309-1521

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 2.860 inches and 3.000 inches
Fastener Length
3.000 inches
Head Style
Flat chamfer
Head Diameter
Between 0.365 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.188 inches
Thready Qty Per Inch (tpi)
20
Material
Steel
Material Specification
Sae grade 8 assn standard single material response
Surface Treatment
Zinc or cadmium
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
013091521
NSN
5305013091521

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
703-2298086 PIECE 11
Cage Code:
80064
Status:
A
MSDS:
Part Number:
15603
Cage Code:
27646
Status:
A
MSDS:
Part Number:
2155W
Cage Code:
08303
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 5305-01-309-1521
What are the manufacturers of nsn 5305013091521?
Does this nsn 5305013091521 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013091521
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 5305013091521 contain any precious metals?
No precious metal content.
Does nsn 5305013091521 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013091521?
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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