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4820-00-881-3261

Find complete technical information, availability, and procurement data for: 4820-00-881-3261

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4820-00-881-3261
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-881-3261
Item Name Code
27565
Assigment Date
01/01/1962 (64 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends, on which the nominal diameter of one threaded section is greater than the other. All or part of the unthreaded section is greater than the maximum major diameter of the largest threaded section. It may be thread relieved. Excludes:items with tapered threads. See also stud, locked in.

steam media for which designed, 5.250 inches nominal first end flange outside diameter, internal pilot valve furnished items, straight thru body style, raised face flange first end connection type

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
5.250 inches nominal
Body Style
straight thru
Furnished Items
internal pilot valve
Media For Which Designed
steam
First End Connection Type
raised face flange
First End Style Designator
raised
First End Raised Face Height
0.250 inches nominal
First End Raised Face Diameter
2.500 inches nominal
First End Flange Shape Style
round w/ bolt holes
First End Flange Thickness
0.812 inches nominal
First End Bolt Hole Quantity
4
First End Bolt Hole Diameter
0.688 inches nominal
First End Bolt Circle Diameter
3.875 inches nominal
Second End Relationship With First End
identical
Face To Face Distance
9.000 inches nominal
Flow Control Device
poppet
Flow Control Device Material
unable to decode
End Connection Quantity
2
Outlet Pressure Range
+100.0 to 450.0 pounds per square inch
Regulation Type
automatic single stage
Valve Stem Design
single seat
Valve Loading Method
spring
Remote Actuation Method
piston
Maximum Inlet Pressure Rating
600.0 pounds per square inch
Filter
not included
Material
unable to decode

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4820-01-087-5902 No Name Available 03/01/1982

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
17390N LNS-5 1 Fluid Pressure Regulating Valve
17390N LNS-S-1-1-4IN FLGE Fluid Pressure Regulating Valve
LNS5-1 1-4IN Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-881-3261?
The FSCG of the NSN 4820-00-881-3261 is 4820
Does the NSN 4820-00-881-3261 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809015
Does NSN 4820-00-881-3261 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 4820-00-881-3261 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-881-3261 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 4820-00-881-3261 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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