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5305-01-646-1780

Socket Head Cap Screw

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Official Item Classification

Name
Socket Head Cap Screw
(NSN) National Stock Number
5305-01-646-1780
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
16282
(FIIG) Federal Item Identification Guide
A003B0
Date
07/15/2015 (11 years ago)

12.0 millimeters nominal thread length, 9.7 millimeters minimum and 10.0 millimeters maximum head diameter, right-hand thread direction, 12.0 millimeters nominal fastener length, flat chamfer head style

Specs & Compatibility

Thread Direction

right-hand

Thread Length

12.0 millimeters nominal

Fastener Length

12.0 millimeters nominal

Head Style

flat chamfer

Head Diameter

9.7 millimeters minimum and 10.0 millimeters maximum

Head Height

5.8 millimeters minimum and 6.0 millimeters maximum

Locking Feature

pellet or strip or patch threads

Internal Drive Style

hexagon

End Item Identification

engine, diesel

Nominal Thread Diameter

6.0 millimeters

Width Across Flats

6.02 millimeters minimum and 6.09 millimeters maximum

Thread Pitch In Millimeters

1.0

External Thread Tolerance Class

4g6g

Part Name Assigned By Controlling Agency

screw cap hexagon socket head (metric)

Material

steel property class 12.9 overall

Thread Series Designator

iso m

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0016282

Related Hardware Products

Part Number Description
B1831BH060012L Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-646-1780?
The FSCG of the NSN 5305-01-646-1780 is 5305
Does the NSN 5305-01-646-1780 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-646-1780 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 5305-01-646-1780 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-646-1780 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 5305-01-646-1780 was assigned to the Federal Catalog?
It was assigned 11 years ago, on Wed, Jul 15, 2015