M45913/3-5CG8C

View detailed technical data, stock status, and sourcing information for: M45913/3-5CG8C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-814-0673

Item Name Code

05277

Assigment Date

04/05/1968 (58 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

hexagon nut style, prevailing torque all nonmetallic design or prevailing torque with nonmetallic insert locking feature, 3b thread class, dry film lubricant lubrication, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all nonmetallic design or prevailing torque with nonmetallic insert
Lubrication: dry film lubricant
Nut Style: hexagon
Nut Height: 0.359 inches maximum
End Item Identification: mrap - cougar cat1 a2
Width Across Flats: 0.489 inches minimum and 0.502 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 18
Hardness Rating: 26.0 rockwell c minimum and 35.0 rockwell c maximum
Nominal Thread Size: 0.312 inches
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 110.0 microinches
Material: plastic polyamide (nylon) locking insert
Material: steel nut
Surface Treatment: cadmium overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-045-1005	No Name Available	06/01/1980
5310-00-905-0634	No Name Available	12/01/1983
5310-01-253-1615	No Name Available	07/01/1997
5310-01-274-3073	No Name Available	09/01/1998

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
12Z2003-17	Hexagon Self-Locking Nut
13014410-17	Hexagon Self-Locking Nut
456720113200	Hexagon Self-Locking Nut
5310008140673	Hexagon Self-Locking Nut
5310PL0656713	Hexagon Self-Locking Nut
9419455	Hexagon Self-Locking Nut
M45913/3-5CG8C	Hexagon Self-Locking Nut
MS51943-33	Hexagon Self-Locking Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-814-0673?

The FSCG of the NSN 5310-00-814-0673 is 5310

Does the NSN 5310-00-814-0673 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-814-0673 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 5310-00-814-0673 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-814-0673 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 5310-00-814-0673 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Apr 5, 1968