N-HLK-TV-BR

View detailed technical data, stock status, and sourcing information for: N-HLK-TV-BR
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-142-0257

Item Name Code

05492

Assigment Date

11/09/1982 (43 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

plain first end style designator, straight thru body style, threaded internal pipe first end connection type, identical second end relationship with first end, right-hand first end thread direction

Product Characteristics

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

Body Style: straight thru
First End Connection Type: threaded internal pipe
First End Style Designator: plain
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Flow Control Device: plug
End Connection Quantity: 2
Temp Adjustability: not adjustable
Temp Rating: 392.0 fahrenheit maximum
Special Features: media steam
Material: copper alloy body
Material: plastic polytetrafluoroethylene seat
Thread Size And Series/Type Designator: 1.500-11.5 npt first end
Nondefinitive Spec/Std Data: iii type and 1 class and 100 series

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-034-2075	No Name Available	11/01/1987
5330-01-042-8879	No Name Available	03/01/2021
4820-01-124-6715	No Name Available	09/01/1986
4820-01-220-2120	No Name Available	08/01/2017
4820-01-307-8810	No Name Available	09/01/1998

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
1-1/2CXT W/1-1/2 SPOOL PIECE	Temperature Regulating Valve
11208-10	Temperature Regulating Valve
5249	Temperature Regulating Valve
HLK-TA-BU2-1 1/2	Temperature Regulating Valve
M19772-C1F1024	Temperature Regulating Valve
N-HLK-TV-BR	Temperature Regulating Valve
NHLKTVBRPC19	Temperature Regulating Valve
TRAC STYLE P-1-1/2 INCH	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-142-0257?

The FSCG of the NSN 4820-01-142-0257 is 4820

Does the NSN 4820-01-142-0257 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-142-0257 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 4820-01-142-0257 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-142-0257 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 4820-01-142-0257 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Tue, Nov 9, 1982