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Panel Screw Assembly NSN 5305-01-216-6621

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 5305-01-216-6621 NSN: 5305-01-216-6621

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.610 inches
Head Style
Flat chamfer
Head Diameter
0.310 inches
Internal Drive Style
Hexagon
Thread Diameter
0.190 inches
Width Across Flats
0.156 inches
Thready Qty Per Inch (tpi)
32
Special Features
Screw has externally relieved body 0.135 min. 0.140 max.; head has secondary slot drive; sleeve has hex drive; sleeve has internal threads 0.312-24 unf-3b
Material
Steel comp 302 spring
Material Specification
Qq-w-423 federal specification single material response spring
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
012166621
NSN
5305012166621

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
72B235019-1001
Cage Code:
76301
Status:
A
MSDS:
Part Number:
CA28044-12
Cage Code:
29372
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 5305-01-216-6621
What are the manufacturers of nsn 5305012166621?
Does this nsn 5305012166621 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012166621
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 5305012166621 contain any precious metals?
No precious metal content.
Does nsn 5305012166621 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012166621?
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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