Gate Valve

NSN: 4820-00-012-1982 | Model: 1798

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

NSN Properties and Flags

NATO Stock Number

4820-00-012-1982

DEMIL

Bonnet Type

Inside screw

Bonnet Attachment Method

Bolted

Valve Operation Method

Manual

Connection Type

Threaded internal pipe

Features Provided

Bonnet packing

Maximum Operating Pressure And Media For Which Designed

125.0 pounds per square inch steam and 200.0 pounds per square inch water-oil-gas

Thread Size

2.000 inches

Stem Type

Nonrising

Special Features

2.000 in. Pipe size; r.H. Thd; 11-1/2 thds per inch

Material

Iron body

Material Specification

Astm a126-61t, cl b assn standard single material response body

Thread Series Designator

Npt

Pricing and Availability

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NSN 4820-00-012-1982 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

1798

Cage Codes:

William Powell Company The (CAGE 48422)

Schedule B & Trade:

Schedule B: 8481803010 (NAICS 332919)

Gate type taps, cocks and valves of iron, hand operated
SITC: 74780

Taps, cocks, valves and similar appliances, n.E.S.
End Use: 21180

Industrial machines, other

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

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

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4820-00-012-1982 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Tennessee Valley Authority
What is the NIIN of NSN 4820-00-012-1982?
000121982 or 00-012-1982
Does NSN 4820-00-012-1982 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-012-1982?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 08, 1968