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Machine Screw NSN 5305-00-271-6256

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 5305-00-271-6256 NSN: 5305-00-271-6256

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.152 inches and 0.188 inches
Fastener Length
Between 0.156 inches and 0.188 inches
Head Style
Fillister
Head Diameter
Between 0.145 inches and 0.161 inches
Head Height
Between 0.061 inches and 0.070 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.099 inches
Thready Qty Per Inch (tpi)
56
Min. Tensile Strength (psi)
55000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
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
Unf
Nondefinitive Specification/std Data
1 type and 4s style
FSC
5305 Screws
NIIN
002716256
NSN
5305002716256

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8Z1014PC145
Cage Code:
10001
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 5305-00-271-6256
What are the manufacturers of nsn 5305002716256?
Does this nsn 5305002716256 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002716256
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 5305002716256 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002716256 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002716256?
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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