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Machine Screw NSN 5305-01-090-4821

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 5305-01-090-4821 NSN: 5305-01-090-4821

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.190 inches
Fastener Length
0.312 inches
Head Style
Flat countersunk
Head Diameter
Between 0.304 inches and 0.357 inches
Internal Drive Style
Recessed type i
Thread Diameter
0.216 inches
Thready Qty Per Inch (tpi)
24
Countersink Angle
100.0 degrees
Screw Material
Steel comp 303
Screw Material Specification
Qq-s-764 cond a federal specification single material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Special Features
0.138 in. Min 0.143 in. Max through hole on longitudinal axis
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
010904821
NSN
5305010904821

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
581R277H01
Cage Code:
97942
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 5305-01-090-4821
What are the manufacturers of nsn 5305010904821?
Does this nsn 5305010904821 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010904821
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 5305010904821 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010904821 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010904821?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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