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1690 Hexagon Plain Nut

5310-00-763-8921

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Official Item Classification

Name
Hexagon Plain Nut
Part Number
1690
(NSN) National Stock Number
5310-00-763-8921
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
01857
(FIIG) Federal Item Identification Guide
A021A0
Date
01/01/1960 (66 years ago)

0.617 inches minimum and 0.665 inches maximum nut height, multiple launch rocket system (mlrs) end item identification, 2b thread class, right-hand thread direction, hexagon nut style

Specs & Compatibility

Thread Class

2b

Thread Direction

right-hand

Nut Style

hexagon

Nut Height

0.617 inches minimum and 0.665 inches maximum

End Item Identification

multiple launch rocket system (mlrs)

Width Across Flats

1.0880 inches minimum and 1.1250 inches maximum

Thread Series

unc

Thread Quantity Per Inch

10

Hardness Rating

121.0 brinell standard minimum

Nominal Thread Size

0.750 inches

Bearing Surface Type

chamfered or washer faced

Material

steel overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec single treatment response overall

Replacement For

Part Number Description
5310-00-012-5498 No Name Available 04/29/1966
5310-00-188-7835 No Name Available 03/01/1984
5310-00-199-3121 No Name Available 10/01/1982
5310-00-365-8397 No Name Available 05/01/1989
5310-00-450-0318 No Name Available 02/09/1972
5310-00-579-4220 No Name Available 09/01/2023
5310-00-616-3756 No Name Available 09/01/2023
5310-00-685-3428 No Name Available 09/01/2023
5310-00-691-0256 No Name Available 09/01/2023
5310-00-765-7535 No Name Available 09/01/1995
5310-01-053-0991 No Name Available 02/01/1983
5310-01-162-8557 No Name Available 09/01/1990

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

0001857

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-763-8921?
The FSCG of the NSN 5310-00-763-8921 is 5310
Does the NSN 5310-00-763-8921 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-763-8921 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 5310-00-763-8921 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-763-8921 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 5310-00-763-8921 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960