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Socket Head Cap Screw NSN 5305-01-374-9821

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 5305-01-374-9821 NSN: 5305-01-374-9821

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.500 inches
Fastener Length
2.000 inches
Head Style
Hexagon
Head Height
Between 0.492 inches and 0.500 inches
Width Between Flats
Between 0.735 inches and 0.750 inches
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
Between 0.500 inches and 0.505 inches
Thready Qty Per Inch (tpi)
13
Hardness Rating
37.0 rockwell c and 45.0 rockwell c
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4140 or steel comp 4142 or steel comp 4145
Material Specification
Astma 193 assn standard all material responses
Thread Series Designator
Unrc
FSC
5305 Screws
NIIN
013749821
NSN
5305013749821

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CW-183BZ-16
Cage Code:
D9182
Status:
A
MSDS:
Part Number:
MIL-DTL-1222
Cage Code:
81349
Status:
A
MSDS:
Part Number:
CW183BZ-16
Cage Code:
65427
Status:
A
MSDS:
Part Number:
EW-2200CLITEM27
Cage Code:
65427
Status:
A
MSDS:
Part Number:
MIL-S-1222
Cage Code:
81348
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 5305-01-374-9821
What are the manufacturers of nsn 5305013749821?
Does this nsn 5305013749821 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013749821
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 5305013749821 contain any precious metals?
No precious metal content.
Does nsn 5305013749821 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013749821?
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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