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Machine Screw NSN 5305-00-837-3391

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 5305-00-837-3391 NSN: 5305-00-837-3391

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.750 inches
Fastener Length
3.000 inches
Head Style
Flat countersunk
Head Diameter
Between 0.249 inches and 0.279 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
55000 pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Screw Material
Copper alloy
Screw Material Specification
Qq-b-613 federal specification single material response or qq-b-626 federal specification single material response or qq-w-321 federal specification single material response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
008373391
NSN
5305008373391

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN507B632R48
Cage Code:
88044
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 5305-00-837-3391
What are the manufacturers of nsn 5305008373391?
Does this nsn 5305008373391 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305008373391
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 5305008373391 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305008373391 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305008373391?
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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