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5305-01-494-5649

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-01-494-5649
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
18257
(FIIG) Federal Item Identification Guide
A003B0
Date
02/14/2002 (24 years ago)

hexagon extended washer head style, 18.0 millimeters nominal thread length, 89.4 millimeters minimum and 90.6 millimeters maximum fastener length, right-hand thread direction, 6.8 millimeters maximum head height

Specs & Compatibility

Thread Direction

right-hand

Thread Length

18.0 millimeters nominal

Fastener Length

89.4 millimeters minimum and 90.6 millimeters maximum

Head Style

hexagon extended washer

Head Height

6.8 millimeters maximum

Width Between Flats

7.6 millimeters minimum and 8.0 millimeters maximum

Extended Washer Diameter

13.6 millimeters maximum

Extended Washer Thickness

1.1 millimeters minimum

End Item Identification

interim armored vehicle (iav),contractor logistics support (cls)

Nominal Thread Diameter

6.0 millimeters

Thread Pitch In Millimeters

1.0

External Thread Tolerance Class

6g

Material

steel property class 10.9 overall

Material Document And Classification

sae j1199 assn std single material response or astm f568 assn std single material response overall

Surface Treatment

zinc and chromate overall

Surface Treatment Document And Classification

astm b633,ty 2 assn std single treatment response overall

Thread Series Designator

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

0018257

Related Hardware Products

Part Number Description
AES09M06A090CG9A81 Hexagon Head Cap Screw
B18.2.3.4M Hexagon Head Cap Screw
B18234B06090N Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-494-5649?
The FSCG of the NSN 5305-01-494-5649 is 5305
Does the NSN 5305-01-494-5649 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-494-5649 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 5305-01-494-5649 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-494-5649 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 5305-01-494-5649 was assigned to the Federal Catalog?
It was assigned 24 years ago, on Thu, Feb 14, 2002