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51-11-414-24

View detailed technical data, stock status, and sourcing information for: 51-11-414-24

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51-11-414-24
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-570-0478
Item Name Code
33044
Assigment Date
11/28/1974 (51 years ago)

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.

3a thread class, 0.375 inches nominal thread length, knurled no. 4 head style, 1.250 inches nominal fastener length, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.375 inches nominal
Fastener Length
1.250 inches nominal
Head Style
knurled no. 4
Head Diameter
0.562 inches nominal
Head Height
0.250 inches nominal
Internal Drive Style
slot
Material Accommodated Thickness
0.062 inches minimum and 0.078 inches maximum
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Special Features
straight knurl
Material
steel corrosion resisting overall
Surface Treatment
passivate overall
Thread Series Designator
unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
4000949-1 Panel Screw Assembly
51-11-414-24 Panel Screw Assembly

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-570-0478?
The FSCG of the NSN 5305-00-570-0478 is 5305
Does the NSN 5305-00-570-0478 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-570-0478 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-00-570-0478 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-570-0478 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-00-570-0478 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Thu, Nov 28, 1974

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