M1222SN6F316GILN

View detailed technical data, stock status, and sourcing information for: M1222SN6F316GILN
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-727-8128

Item Name Code

16282

Assigment Date

03/19/2025 (1 year 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.

1.00 inches nominal fastener length, 3a thread class, 1.00 inches nominal thread length, flat chamfer head style, 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: 1.00 inches nominal
Fastener Length: 1.00 inches nominal
Head Style: flat chamfer
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Locking Feature: self-locking locking feature
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum fastener
Minimum Yield Strength: 155000 pounds per square inch
Chamfer Angle: 30.0 degrees minimum and 45.0 degrees maximum
Part Name Assigned By Controlling Agency: socket head cap screw
Special Features: locking element in accordance with mil-f-8961 or mil-dtl-18240
Material: steel fastener
Material Document And Classification: astm a574,s1 hardened and tempered american society for testing and materials (astm) single material response fastener
Thread Series Designator: unf
Specification/Standard Data: 81349-mil-dtl-1222j government specification

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
CC73587-37	Socket Head Cap Screw
CC78142-196	Socket Head Cap Screw
M1222SN6F316GILN	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-727-8128?

The FSCG of the NSN 5305-01-727-8128 is 5305

Does the NSN 5305-01-727-8128 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-727-8128 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 5305-01-727-8128 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-727-8128 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 5305-01-727-8128 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Wed, Mar 19, 2025