40406-205

View detailed technical data, stock status, and sourcing information for: 40406-205
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-156-0371

Item Name Code

27565

Assigment Date

06/18/1983 (43 years ago)

An item designed of a flexible type material to be used for finishing off the edges of the helmet, ground troops'-parachutists'.

plain face flange first end connection type, 7.688 inches nominal first end flange outside diameter, unable to decode stem material, water, salt media for which designed, straight thru body style

Product Characteristics

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

First End Flange Outside Diameter: 7.688 inches nominal
Body Style: straight thru
Stem Material: unable to decode
Media For Which Designed: water, salt
First End Connection Type: plain face flange
First End Style Designator: plain
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 1.000 inches nominal
First End Bolt Hole Quantity: 8
First End Bolt Hole Diameter: 0.688 inches nominal
First End Bolt Circle Diameter: 6.562 inches nominal
Second End Relationship With First End: identical
Face To Face Distance: 14.500 inches nominal
Flow Control Device: disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Outlet Pressure Range: +25.0 to 60.0 pounds per square inch
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 250.0 pounds per square inch
Filter: not included
End Item Identification: oliver perry class ffg, spruance class dd (963), kidd class ddg, wasp class lhd, whidbey island class lsd, tarawa class lhd, osprey class mhc, forrestal class cv.
Criticality Code Justification: feat
Special Features: weapon system essential
Material: unable to decode
Material Document And Classification: unable to decode

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-115-9822	No Name Available	08/01/2019
4820-01-190-5898	No Name Available	08/09/1991

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
2707-4IN250FLG25T060PSI	Fluid Pressure Regulating Valve
30 4IN 25T60PSI AND N587	Fluid Pressure Regulating Valve
30813079	Fluid Pressure Regulating Valve
30813270	Fluid Pressure Regulating Valve
30813270REVG 25T060PSI 250FLGE	Fluid Pressure Regulating Valve
40406-02 4IN 25T60PSI	Fluid Pressure Regulating Valve
40406-02 REV D SH.2 NO.40406-202	Fluid Pressure Regulating Valve
40406-202	Fluid Pressure Regulating Valve
40406-202 4IN 25T60PSI	Fluid Pressure Regulating Valve
40406-205	Fluid Pressure Regulating Valve
40406-205 4IN 25T60PSI	Fluid Pressure Regulating Valve
ASTM F1370-92	Fluid Pressure Regulating Valve
F1370-2MF2B	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-156-0371?

The FSCG of the NSN 4820-01-156-0371 is 4820

Does the NSN 4820-01-156-0371 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-156-0371 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 4820-01-156-0371 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-156-0371 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 4820-01-156-0371 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Jun 18, 1983