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Externally Relieved Body Screw NSN 5305-00-143-3291

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also bolt, externally relieved body and bolt, internal wrenching.

NSN 5305-00-143-3291 NSN: 5305-00-143-3291

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.235 inches and 0.240 inches
Fastener Length
Between 0.795 inches and 0.815 inches
Head Style
Pan
Head Diameter
0.275 inches
Head Height
0.075 inches
First Diameter From Head
Between 0.143 inches and 0.149 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.555 inches and 0.580 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Externally Relieved Body Diameter Quantity
1
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4130 or steel comp 4140
Material Specification
Mil-s-16974 military specification all material responses
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
001433291
NSN
5305001433291

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D791515-32
Cage Code:
0HDW7
Status:
A
MSDS:
Part Number:
577R005H32
Cage Code:
97942
Status:
A
MSDS:
Part Number:
P81-1032-2
Cage Code:
C4293
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 5305-00-143-3291
What are the manufacturers of nsn 5305001433291?
Does this nsn 5305001433291 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305001433291
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). it is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. see also bolt, externally relieved body and bolt, internal wrenching.
Does nsn 5305001433291 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305001433291 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305001433291?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01852
FIIG:
A003B0
App. Key:
SE
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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