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Externally Relieved Body Screw NSN 5305-00-776-3889

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 5305-00-776-3889 NSN: 5305-00-776-3889

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.342 inches and 0.392 inches
Fastener Length
Between 0.437 inches and 0.457 inches
Head Style
Double hexagon w/hole
Head Height
Between 0.177 inches and 0.197 inches
Width Between Flats
Between 0.181 inches and 0.189 inches
Extended Washer Diameter
Between 0.276 inches and 0.286 inches
Extended Washer Thickness
Between 0.027 inches and 0.037 inches
First Diameter From Head
Between 0.116 inches and 0.126 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.065 inches and 0.095 inches
Internal Drive Style
W/o internal drive
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Externally Relieved Body Diameter Quantity
1
Material
Steel
Material Specification
B50r270, fscm 99207 mfr ref single material response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
007763889
NSN
5305007763889

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
327B491P8
Cage Code:
99207
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 5305-00-776-3889
What are the manufacturers of nsn 5305007763889?
Does this nsn 5305007763889 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305007763889
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 5305007763889 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305007763889 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305007763889?
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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