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Panel Screw Assembly NSN 5305-01-171-8104

Item Description

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

NSN 5305-01-171-8104 NSN: 5305-01-171-8104

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.360 inches and 0.390 inches
Fastener Length
Between 0.797 inches and 0.827 inches
Head Style
Knurled no. 6
Head Diameter
Between 0.915 inches and 0.945 inches
Head Height
Between 0.930 inches and 0.990 inches
Internal Drive Style
Cross recess type 1
Material Accommodated Thickness
0.062 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Material
Steel comp 303
Material Specification
Mil-s-7720, type 18-8 military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
011718104
NSN
5305011718104

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
28080-4-13P
Cage Code:
29372
Status:
A
MSDS:
Part Number:
GS553E4-13P
Cage Code:
26512
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 5305-01-171-8104
What are the manufacturers of nsn 5305011718104?
Does this nsn 5305011718104 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011718104
A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. attached to panel by threaded bushing or by flaring end of stand-off, or bushing. used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. may be spring loaded.
Does nsn 5305011718104 contain any precious metals?
No precious metal content.
Does nsn 5305011718104 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011718104?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
33044
FIIG:
A003B0
App. Key:
SU
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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