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Machine Screw NSN 5305-00-902-8438

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 5305-00-902-8438 NSN: 5305-00-902-8438

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.316 inches
Fastener Length
1.066 inches
Head Style
Flat countersunk
Head Diameter
Between 0.390 inches and 0.395 inches
Internal Drive Style
High-torque
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Countersink Angle
100.0 degrees
Screw Material
Steel comp 431
Screw Material Specification
Qq-s-763 federal specification single material response
Screw Surface Treatment
Cadmium
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
009028438
NSN
5305009028438

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HT4V-12
Cage Code:
73197
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 5305-00-902-8438
What are the manufacturers of nsn 5305009028438?
Does this nsn 5305009028438 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305009028438
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 5305009028438 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305009028438 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305009028438?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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