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Panel Screw Assembly NSN 5305-01-278-9639

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 5305-01-278-9639 NSN: 5305-01-278-9639

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.141 inches and 0.171 inches
Fastener Length
0.578 inches
Head Style
Flat chamfer
Head Diameter
Between 0.190 inches and 0.198 inches
Head Height
0.112 inches
Internal Drive Style
Hexagon
Thread Diameter
0.112 inches
Width Across Flats
0.094 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
140000 pounds per square inch
Material
Steel comp 301 stand-off or steel comp 302 stand-off or steel comp 302b stand-off or steel comp 303 stand-off or steel comp 303se stand-off or steel comp 304 stand-off or steel comp 304l stand-off or steel comp 305 stand-off or steel comp 308 stand-off or steel comp 309 stand-off or steel comp 309s stand-off or steel comp 310 stand-off or steel comp 310s stand-off or steel comp 314 stand-off or steel comp 316 stand-off or steel comp 316l stand-off or steel comp 317 stand-off or steel comp 321 stand-off or steel comp 347 stand-off or steel comp 348 stand-off or steel comp 384 stand-off or steel comp 385 stand-off
Material Specification
Ams 5737 assn standard single material response fastener
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
012789639
NSN
5305012789639

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FT1323-4-2-4
Cage Code:
58794
Status:
A
MSDS:
Part Number:
115017-01
Cage Code:
14345
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 5305-01-278-9639
What are the manufacturers of nsn 5305012789639?
Does this nsn 5305012789639 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012789639
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 5305012789639 contain any precious metals?
No precious metal content.
Does nsn 5305012789639 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012789639?
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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