C100109-4-9-12

View detailed technical data, stock status, and sourcing information for: C100109-4-9-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-387-1211

Item Name Code

06657

Assigment Date

02/25/1994 (32 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

0.702 inches nominal thread length, 3a thread class, right-hand thread direction, 1.264 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: 0.702 inches nominal
Fastener Length: 1.264 inches nominal
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.190 inches maximum
Width Between Flats: 0.367 inches minimum and 0.375 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Screw Material: iron alloy 660
Screw Material Document And Classification: ams 5737 assn std single material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec single treatment response
Special Features: 2 slots, 180 deg apart from 0.060 in. below head to fast end; flared end 0.044 in. lg
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
C100109-4-9-12	Machine Screw
FTD7026HP-12-9-12	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-387-1211?

The FSCG of the NSN 5305-01-387-1211 is 5305

Does the NSN 5305-01-387-1211 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-387-1211 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 5305-01-387-1211 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-387-1211 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 5305-01-387-1211 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Feb 25, 1994