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Shoulder Screw NSN 5305-00-256-6723

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

NSN 5305-00-256-6723 NSN: 5305-00-256-6723

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.284 inches and 0.314 inches
Fastener Length
Between 1.214 inches and 1.299 inches
Head Style
Fillister
Head Diameter
Between 0.527 inches and 0.597 inches
Head Height
Between 0.140 inches and 0.160 inches
Shoulder Diameter
0.372 inches first shoulder and 0.373 inches first shoulder
Shoulder Length
0.755 inches first shoulder and 0.760 inches first shoulder
Internal Drive Style
Slot
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
190000 pounds per square inch
Minimum Yield Strength
170000 pounds per square inch
Shoulder Shape
Round first shoulder
Material
Stainless steel
Material Specification
Ams 5643 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
002566723
NSN
5305002566723

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2637505PC81
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: 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 5305-00-256-6723
What are the manufacturers of nsn 5305002566723?
Does this nsn 5305002566723 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002566723
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. it has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. no. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. a locking feature may be incorporated in the design of the head or threads. for items which are both shouldered and have an externally relieved body, use screw, externally relieved body. for items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. excludes bolt, internal wrenching and screw, cap, socket head.
Does nsn 5305002566723 contain any precious metals?
No precious metal content.
Does nsn 5305002566723 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002566723?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22846
FIIG:
A003B0
App. Key:
SL
Cond. Code:
1
Status:
A

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