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5310-00-003-6545

Round Plain Nut

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Official Item Classification

Name
Round Plain Nut
(NSN) National Stock Number
5310-00-003-6545
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
15887
(FIIG) Federal Item Identification Guide
A021A0
Date
05/24/1972 (54 years ago)

3b thread class, 1.245 inches minimum and 1.255 inches maximum nut diameter, round nut style, right-hand thread direction, 0.090 inches nominal drive point depth

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Drive Point Depth

0.090 inches nominal

Nut Style

round

Nut Diameter

1.245 inches minimum and 1.255 inches maximum

Nut Thickness

0.343 inches nominal

Drive Point Width

0.120 inches nominal

Drive Point Quantity

2

Thread Series

unj

Thread Quantity Per Inch

16

Hardness Rating

38.0 rockwell c minimum and 45.0 rockwell c maximum

Nominal Thread Size

0.875 inches

Countersink Angle

45.0 degrees nominal nut

Part Name Assigned By Controlling Agency

navy special project

Special Features

0.045 in. min 0.050 in. max dia 3 lockwire holes equally spaced 120 degrees apart on each side

Material

steel comp xm-12 overall

Material Document And Classification

ams5659 mfr ref single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

mil-s-5002 mil spec single treatment response overall

Test Data Document

"81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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

0015887

Related Hardware Products

Part Number Description
A51H40512-11 Round Plain Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-003-6545?
The FSCG of the NSN 5310-00-003-6545 is 5310
Does the NSN 5310-00-003-6545 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-003-6545 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 5310-00-003-6545 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-003-6545 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 5310-00-003-6545 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, May 24, 1972