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Panel Screw Assembly NSN 5305-01-047-8178

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 5305-01-047-8178 NSN: 5305-01-047-8178

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.175 inches
Fastener Length
Between 0.400 inches and 0.420 inches
Head Style
Flat countersunk
Head Diameter
0.317 inches
Head Height
0.057 inches
Internal Drive Style
Cross recess type 1
Material Accommodated Thickness
Between 0.090 inches and 0.125 inches
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
34.0 rockwell c fastener and 38.0 rockwell c fastener
Countersink Angle
100.0 degrees
Special Features
Screw steel alloy 4037, heat treated rockwell c 34 to rc 38
Material
Steel comp 4037 fastener
Material Specification
Qq-b-626 federal specification single material response stand-off
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
010478178
NSN
5305010478178

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FD-V0151-002
Cage Code:
33875
Status:
A
MSDS:
Part Number:
DPY7900P-4-B-2
Cage Code:
17446
Status:
A
MSDS:
Part Number:
14552-001
Cage Code:
10138
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 5305-01-047-8178
What are the manufacturers of nsn 5305010478178?
Does this nsn 5305010478178 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010478178
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 5305010478178 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010478178 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010478178?
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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