3S1870

View detailed technical data, stock status, and sourcing information for: 3S1870
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-419-6538

Item Name Code

11444

Assigment Date

12/09/1970 (55 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.

0.750 inches nominal length, 16 thread quantity per inch, 0.375 inches nominal thread size, 0.625-11 insert size, chamfer both ends 0.078 in. by 45 degrees special features

Product Characteristics

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

Length: 0.750 inches nominal
Insert Size: 0.625-11
Thread Quantity Per Inch: 16
Nominal Thread Size: 0.375 inches
Special Features: chamfer both ends 0.078 in. by 45 degrees
Material: steel comp 303 overall
Material Document And Classification: aisi assn std single material response overall
Style Designator: plain
Thread Series Designator: unc

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
3S1870	Screw Thread Insert

FAQs

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

What is the FSCG of the NSN 5325-00-419-6538?

The FSCG of the NSN 5325-00-419-6538 is 5325

Does the NSN 5325-00-419-6538 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-419-6538 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 5325-00-419-6538 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-419-6538 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 5325-00-419-6538 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Dec 9, 1970