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425645 Flat Valve Diaphragm

4820-00-451-4789

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Official Item Classification

Name
Flat Valve Diaphragm
Part Number
425645
(NSN) National Stock Number
4820-00-451-4789
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
60396
(FIIG) Federal Item Identification Guide
A540D0
Date
05/17/1971 (55 years ago)

6 bolt hole quantity, 0.220 inches nominal hole diameter, 2.725 inches nominal outside diameter, 2.375 inches nominal bolt circle diameter, 0.024 inches nominal material thickness

Specs & Compatibility

Hole Diameter

0.220 inches nominal

Outside Diameter

2.725 inches nominal

Bolt Circle Diameter

2.375 inches nominal

Material Thickness

0.024 inches nominal

Bolt Hole Quantity

6

Material

rubber

Media For Which Designed

gasoline or fuel, jet or oil

Style Designator

flat

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

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

0060396

Related Hardware Products

Part Number Description
425645 Flat Valve Diaphragm

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-451-4789?
The FSCG of the NSN 4820-00-451-4789 is 4820
Does the NSN 4820-00-451-4789 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-451-4789 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 4820-00-451-4789 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-451-4789 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 4820-00-451-4789 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Mon, May 17, 1971