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Externally Relieved Body Screw NSN 5305-00-208-1589

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 5305-00-208-1589 NSN: 5305-00-208-1589

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.625 inches
Fastener Length
7.281 inches
Head Style
Fillister
Head Diameter
0.375 inches
Head Height
0.234 inches
First Diameter From Head
0.255 inches
Second Diameter From Head
0.156 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.214 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
6.531 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Externally Relieved Body Diameter Quantity
2
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
002081589
NSN
5305002081589

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
857560
Cage Code:
89749
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 5305-00-208-1589
What are the manufacturers of nsn 5305002081589?
Does this nsn 5305002081589 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002081589
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 5305002081589 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002081589 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002081589?
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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