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4820-01-688-9489

Oxygen Syste Safety Relief Valve

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Featured Parts

103475
5340-00-012-7821
Spacing Threaded Standoff
103475-01
4730-01-169-9833
Packing Nut
103475-1
4730-01-169-9833
Packing Nut
1034751
5325-00-663-2400
Retaining Ring
1034754
5360-01-528-4400
Compression Helical Spring
1034759
4820-01-531-2627
Valve Disk
10347593
5310-01-549-9329
Wing Plain Nut
10347602
5340-01-476-8587
Mounting Plate

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Official Item Classification

Name
Oxygen Syste Safety Relief Valve
(NSN) National Stock Number
4820-01-688-9489
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
37941
(FIIG) Federal Item Identification Guide
A046B0
Date
06/01/2020 (6 years ago)

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

Specs & Compatibility

End Item Identification

generator, ni

Criticality Code Justification

zzzy

Reference Number Differentiating Characteristics

cleaning, packaging, and marking iaw the latest revision of mil-std-1330

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
S

The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0037941

Related Hardware Products

Part Number Description
22163 REV G ITEM 83 Oxygen Syste Safety Relief Valve
22163/ ITEM 83 Oxygen Syste Safety Relief Valve
XM515-856-3300 OXYGEN CLEAN Oxygen Syste Safety Relief Valve
XM515-856-3300 OXYGEN CLEANCP Oxygen Syste Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-688-9489?
The FSCG of the NSN 4820-01-688-9489 is 4820
Does the NSN 4820-01-688-9489 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-688-9489 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 4820-01-688-9489 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-688-9489 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 4820-01-688-9489 was assigned to the Federal Catalog?
It was assigned 6 years ago, on Mon, Jun 1, 2020