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Externally Relieved Body Screw NSN 5305-00-286-1685

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 5305-00-286-1685 NSN: 5305-00-286-1685

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.312 inches
Fastener Length
Between 0.906 inches and 0.938 inches
Head Style
Flat countersunk
Head Diameter
Between 0.477 inches and 0.507 inches
First Diameter From Head
Between 0.172 inches and 0.188 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.453 inches and 0.484 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Externally Relieved Body Diameter Quantity
1
Material
Steel
Material Specification
Qq-s-630 federal specification 1st material response or astm a576 assn standard 2nd material response or astm a108 assn standard 3rd material response
Surface Treatment
Phosphate
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
002861685
NSN
5305002861685

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
200820226-01
Cage Code:
98752
Status:
A
MSDS:
Part Number:
5226444
Cage Code:
19204
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 5305-00-286-1685
What are the manufacturers of nsn 5305002861685?
Does this nsn 5305002861685 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002861685
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 5305002861685 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002861685 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002861685?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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