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Machine Screw NSN 5305-01-421-1421

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

NSN 5305-01-421-1421 NSN: 5305-01-421-1421

  Stock Availability

NSN 5305014211421 availability
(as of 03/03/2021).

  • NS: 1

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
2a
Thread Direction
Right-hand
Fastener Length
0.375 inches
Head Style
Round
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Screw Material
Copper alloy
Special Features
Self-locking
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
014211421
NSN
5305014211421

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1411984000
Cage Code:
76371
Status:
A
MSDS:
Part Number:
1412472000 ITEM 7
Cage Code:
76371
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415338550
  • NAICS: 332722
  • SITC: 69433
  • Description: Other copper screws (not for wood) bolts and nuts
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-01-421-1421
What are the manufacturers of nsn 5305014211421?
Does this nsn 5305014211421 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014211421
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
Does nsn 5305014211421 contain any precious metals?
No precious metal content.
Does nsn 5305014211421 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014211421?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
App. Key:
Cond. Code:
1
Status:
A

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