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NM634 Valve Cover

4820-01-150-4412

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Spacing Threaded Standoff
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Official Item Classification

Name
Valve Cover
Part Number
NM634
(NSN) National Stock Number
4820-01-150-4412
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
77777
(FIIG) Federal Item Identification Guide
A23900
Date
04/05/1983 (43 years ago)

zzzy criticality code justification, quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1 items reference number differentiating characteristics

Specs & Compatibility

Criticality Code Justification

zzzy

Reference Number Differentiating Characteristics

quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1 items

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

1161919

Related Hardware Products

Part Number Description
NM634 Valve Cover
NM634L1 Valve Cover
NP-692 PIECE 69 Valve Cover
NP-692 PIECE 69L1 Valve Cover

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-150-4412?
The FSCG of the NSN 4820-01-150-4412 is 4820
Does the NSN 4820-01-150-4412 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-150-4412 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-01-150-4412 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-150-4412 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 4820-01-150-4412 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Tue, Apr 5, 1983