1IN87PSIGCP

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-088-5307

Item Name Code

27850

Assigment Date

12/29/1967 (58 years ago)

A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a head, safety, pressure relief. For items furnished with a holder, see head and disk, safety, pressure relief. For items without a rupture pressure rating, see disk, solid, plain. Excludes:diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve; and insulator, disk.

zzzy criticality code justification, cleaning, packaging, and marking iaw the latest revision of mil-std-1330 reference number differentiating characteristics

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
Reference Number Differentiating Characteristics: cleaning, packaging, and marking iaw the latest revision of mil-std-1330

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
1IN87PSIG	Rupturable Disk
1IN87PSIGCP	Rupturable Disk
77-30-009-30-4	Rupturable Disk

FAQs

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

What is the FSCG of the NSN 4820-00-088-5307?

The FSCG of the NSN 4820-00-088-5307 is 4820

Does the NSN 4820-00-088-5307 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-088-5307 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 4820-00-088-5307 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-088-5307 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 4820-00-088-5307 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Dec 29, 1967