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5305008903784

View detailed technical data, stock status, and sourcing information for: 5305008903784

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5305008903784
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-890-3784
Item Name Code
18257
Assigment Date
04/29/1972 (54 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

3a thread class, 3.400 inches minimum and 3.500 inches maximum thread length, right-hand thread direction, 3.500 inches nominal fastener length, hexagon head style

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
3.400 inches minimum and 3.500 inches maximum
Fastener Length
3.500 inches nominal
Head Style
hexagon
Head Height
0.272 inches minimum and 0.291 inches maximum
Width Between Flats
0.612 inches minimum and 0.625 inches maximum
Nominal Thread Diameter
0.438 inches
Thread Quantity Per Inch
20
Material
steel overall
Thread Series Designator
unf

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
5305008903784 Hexagon Head Cap Screw
S116-C Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-890-3784?
The FSCG of the NSN 5305-00-890-3784 is 5305
Does the NSN 5305-00-890-3784 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-890-3784 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 5305-00-890-3784 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-890-3784 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 5305-00-890-3784 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sat, Apr 29, 1972

Professional Distribution

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