5340-01-253-6321

Find complete technical information, availability, and procurement data for: 5340-01-253-6321
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-253-6321

Item Name Code

03797

Assigment Date

04/22/1987 (39 years ago)

A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications reference number differentiating characteristics, mil-r-6855, class 1, grade 40 mil spec single material response material document and classification, zzzy criticality code justification, steel corrosion resisting and rubber synthetic material, cup style designator

Product Characteristics

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

Criticality Code Justification: zzzy
Material: steel corrosion resisting and rubber synthetic
Material Document And Classification: mil-r-6855, class 1, grade 40 mil spec single material response
Style Designator: cup
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
926B854GP3	Expansion Plug

FAQs

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

What is the FSCG of the NSN 5340-01-253-6321?

The FSCG of the NSN 5340-01-253-6321 is 5340

Does the NSN 5340-01-253-6321 have a Schedule B code assigned?

Yes, the Schedule B code is 8402900090

Does NSN 5340-01-253-6321 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 5340-01-253-6321 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-253-6321 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-253-6321 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Apr 22, 1987