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MS90726-236 Hexagon Head Cap Screw

5305-00-935-2931

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Official Item Classification

Name
Hexagon Head Cap Screw
Part Number
MS90726-236
(NSN) National Stock Number
5305-00-935-2931
(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
04/13/1967 (59 years ago)

2a thread class, right-hand thread direction, 2.250 inches minimum and 2.438 inches maximum thread length, hexagon head style, 3.312 inches minimum and 3.500 inches maximum fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

2.250 inches minimum and 2.438 inches maximum

Fastener Length

3.312 inches minimum and 3.500 inches maximum

Head Style

hexagon

Head Height

0.591 inches minimum and 0.627 inches maximum

Width Between Flats

1.469 inches minimum and 1.500 inches maximum

Nominal Thread Diameter

1.000 inches

Thread Quantity Per Inch

12

Minimum Tensile Strength

150000 pounds per square inch

Hardness Rating

32.0 rockwell c minimum and 38.0 rockwell c maximum overall

Material

steel overall

Material Document And Classification

sae j429 gr8 assn std single material response overall

Surface Treatment

zinc and chromate overall

Surface Treatment Document And Classification

astm b633 ty 2 sc 3 assn std single treatment response overall

Thread Series Designator

unf

Nondefinitive Spec/Std Data

2 type and y10p style and 8 grade

Replacement For

Part Number Description
5305-00-958-8479 No Name Available 03/01/1998

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
5305009352931 Hexagon Head Cap Screw
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MS90726-236 Hexagon Head Cap Screw
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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-935-2931?
The FSCG of the NSN 5305-00-935-2931 is 5305
Does the NSN 5305-00-935-2931 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-935-2931 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 5305-00-935-2931 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-935-2931 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 5305-00-935-2931 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Thu, Apr 13, 1967