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Machine Screw NSN 5305-00-131-7256

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 5305-00-131-7256 NSN: 5305-00-131-7256

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.750 inches
Fastener Length
Between 2.756 inches and 2.850 inches
Head Style
Pan no. 2
Head Diameter
Between 0.306 inches and 0.322 inches
Head Height
Between 0.105 inches and 0.115 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
80000 pounds per square inch
Screw Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Mil-f-14072, finish e300 military specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
001317256
NSN
5305001317256

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
544839-1
Cage Code:
96214
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 5305-00-131-7256
What are the manufacturers of nsn 5305001317256?
Does this nsn 5305001317256 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305001317256
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 5305001317256 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305001317256 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305001317256?
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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