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5310-00-952-6740

Find complete technical information, availability, and procurement data for: 5310-00-952-6740

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5310-00-952-6740
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-952-6740
Item Name Code
05277
Assigment Date
01/01/1962 (64 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

right-hand thread direction, 0.667 inches nominal nut height, 3b thread class, hexagon nut style, 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
3b
Thread Direction
right-hand
Locking Feature
prevailing torque all metal design
Nut Style
hexagon
Nut Height
0.667 inches nominal
Width Across Flats
0.740 inches minimum and 0.752 inches maximum
Thread Series
unf
Thread Quantity Per Inch
20
Nominal Thread Size
0.500 inches
Bearing Surface Type
chamfered
Material
steel uns s34720 or steel uns s34723 overall
Material Document And Classification
ams 5642 assn std all material responses overall
Precious Material
silver
Surface Treatment
silver overall
Surface Treatment Document And Classification
ams 2410 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
Z6323-080 Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-952-6740?
The FSCG of the NSN 5310-00-952-6740 is 5310
Does the NSN 5310-00-952-6740 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-952-6740 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 5310-00-952-6740 contain precious materials?
Item contains silver.
Does NSN 5310-00-952-6740 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 5310-00-952-6740 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

Professional Distribution

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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 Surplus 1
Total 1
Availability of this item was last updated on: 04/10/2026 03:04 PM EDT. Stock levels and pricing are subject to change.

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