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5310-01-047-5720

Find complete technical information, availability, and procurement data for: 5310-01-047-5720

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5310-01-047-5720
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-047-5720
Item Name Code
05280
Assigment Date
09/10/1977 (48 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

dry film lubricant lubrication, right-hand thread direction, 3b thread class, 28 thread quantity per inch, unjf thread series

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
Lubrication
dry film lubricant
Thread Series
unjf
Thread Quantity Per Inch
28
Nominal Thread Size
0.250 inches
Material
steel overall
Material Document And Classification
ams 5525 assn std single material response or ams 5735 assn std single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-343-1055 No Name Available 09/01/2006

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NS103597-048 Plate Self-Locking Nut
NS202183-4-1 Plate Self-Locking Nut
ST3M470C4M Plate Self-Locking Nut
ST3M721C4M1 Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-047-5720?
The FSCG of the NSN 5310-01-047-5720 is 5310
Does the NSN 5310-01-047-5720 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-047-5720 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 5310-01-047-5720 contain precious materials?
Precious metal content is unknown
Does NSN 5310-01-047-5720 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 5310-01-047-5720 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sat, Sep 10, 1977

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 Material 140
New Surplus 49
Total 189
Availability of this item was last updated on: 12/23/2025 11:12 AM EST. Stock levels and pricing are subject to change.

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