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Externally Relieved Body Screw NSN 5305-00-685-7991

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 5305-00-685-7991 NSN: 5305-00-685-7991

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.156 inches
Fastener Length
0.203 inches
Head Style
Square
Head Height
0.031 inches
Width Between Flats
0.250 inches
First Diameter From Head
0.075 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.046 inches
Internal Drive Style
W/o internal drive
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Minimum Yield Strength
25000 pounds per square inch
Externally Relieved Body Diameter Quantity
1
Material
Copper alloy
Material Specification
Qq-b-626 federal specification single material response
Surface Treatment
Cadmium
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
006857991
NSN
5305006857991

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
327397
Cage Code:
56232
Status:
A
MSDS:
Part Number:
10125430
Cage Code:
A486G
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 5305-00-685-7991
What are the manufacturers of nsn 5305006857991?
Does this nsn 5305006857991 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006857991
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 5305006857991 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006857991 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006857991?
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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