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Panel Screw Assembly NSN 5305-01-240-1279

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 5305-01-240-1279 NSN: 5305-01-240-1279

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.125 inches and 0.155 inches
Fastener Length
Between 0.325 inches and 0.355 inches
Head Style
Pan
Head Diameter
Between 0.248 inches and 0.278 inches
Head Height
Between 0.087 inches and 0.097 inches
Internal Drive Style
Cross recess type 1
Material Accommodated Thickness
Between 0.020 inches and 0.030 inches
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
34.0 rockwell c fastener and 38.0 rockwell c fastener
Material
Steel comp 4037 fastener
Material Specification
Qq-w-423 federal specification single material response spring
Surface Treatment
Cadmium stand-off and chromate stand-off
Surface Treatment Specification
Qq-p-416, type 2 cl 3 federal specification single treatment response stand-off
Thread Series Designator
Unc
Fsc Application Data
Bracket fuel drain
FSC
5305 Screws
NIIN
012401279
NSN
5305012401279

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FT1016-06-1-1
Cage Code:
58794
Status:
A
MSDS:
Part Number:
CS1046-06-1-1
Cage Code:
58998
Status:
A
MSDS:
Part Number:
4011531-002
Cage Code:
07187
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 5305-01-240-1279
What are the manufacturers of nsn 5305012401279?
Does this nsn 5305012401279 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012401279
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 5305012401279 contain any precious metals?
No precious metal content.
Does nsn 5305012401279 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012401279?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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