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Externally Relieved Body Screw NSN 5305-00-557-8560

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 5305-00-557-8560 NSN: 5305-00-557-8560

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.290 inches and 0.330 inches
Fastener Length
Between 0.730 inches and 0.770 inches
Head Style
Knurled no. 1
Head Diameter
Between 0.670 inches and 0.710 inches
Head Height
Between 0.350 inches and 0.390 inches
First Diameter From Head
Between 0.131 inches and 0.141 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.400 inches and 0.480 inches
Internal Drive Style
Slot
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Externally Relieved Body Diameter Quantity
1
Material
Steel comp 1119
Material Specification
Qq-s-637 federal specification single material response
Surface Treatment
Chromium
Surface Treatment Specification
Qq-c-320, ty2 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
005578560
NSN
5305005578560

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
720290-38
Cage Code:
05869
Status:
A
MSDS:
Part Number:
58-99-472-12
Cage Code:
94222
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 5305-00-557-8560
What are the manufacturers of nsn 5305005578560?
Does this nsn 5305005578560 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305005578560
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 5305005578560 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305005578560 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305005578560?
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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