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5310-00-431-0618

Find complete technical information, availability, and procurement data for: 5310-00-431-0618

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5310-00-431-0618
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-431-0618
Item Name Code
29729
Assigment Date
05/11/1970 (56 years ago)

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

right-hand thread direction, 0.345 inches maximum washer outside diameter, 3bg thread class, 0.235 inches minimum and 0.250 inches maximum overall height, prevailing torque all metal design locking feature

Product Characteristics

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

Thread Class
3bg
Thread Direction
right-hand
Locking Feature
prevailing torque all metal design
Washer Outside Diameter
0.345 inches maximum
Overall Height
0.235 inches minimum and 0.250 inches maximum
Nut Style
double hexagon
Washer Thickness
0.042 inches minimum and 0.057 inches maximum
Width Across Flats
0.243 inches minimum and 0.251 inches maximum
Thread Series
unjf
Thread Quantity Per Inch
32
Nominal Thread Size
0.190 inches
Material
steel comp 8740 overall
Material Document And Classification
ams 6322 assn std single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
ams 2400 assn std single treatment response overall

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
3016537 Extended Washer Self-Locking Nut
3016548 Extended Washer Self-Locking Nut
3016565 Extended Washer Self-Locking Nut
3016606 Extended Washer Self-Locking Nut
LH9756-3K Extended Washer Self-Locking Nut
ST3044-09 Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-431-0618?
The FSCG of the NSN 5310-00-431-0618 is 5310
Does the NSN 5310-00-431-0618 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-431-0618 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 5310-00-431-0618 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-431-0618 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 5310-00-431-0618 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Mon, May 11, 1970

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

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  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 1,417
New Surplus 147
Serviceable 1
Overhauled 13
As Removed 18
Total 1,596
Availability of this item was last updated on: 01/03/2026 03:01 AM EST. Stock levels and pricing are subject to change.

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