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Socket Head Cap Screw NSN 5305-01-521-5778

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 5305-01-521-5778 NSN: 5305-01-521-5778

  Stock Availability

NSN 5305015215778 availability
(as of 01/02/2024).

  • NE: 5

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.750 inches
Fastener Length
1.750 inches
Head Style
Flat chamfer
Head Diameter
Between 1.107 inches and 1.125 inches
Head Height
Between 0.740 inches and 0.750 inches
Internal Drive Style
Hexagon
Thread Diameter
0.750 inches
Width Across Flats
0.625 inches
Thready Qty Per Inch (tpi)
16
Part Name Assigned By Controlling Agency
Navy special project
Material
Iron alloy 660
Surface Treatment
Cadmium and oxide
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal standard 1st treatment response and mil-c-13924, cl 1 military specification 2nd treatment response
Thread Series Designator
Unrf
FSC
5305 Screws
NIIN
015215778
NSN
5305015215778

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1351N12-28
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 5305-01-521-5778
What are the manufacturers of nsn 5305015215778?
Does this nsn 5305015215778 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305015215778
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 5305015215778 contain any precious metals?
No precious metal content.
Does nsn 5305015215778 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305015215778?
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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