Plug Cock

EN18-61-1

(NSN) National Stock Number

4820-00-274-3647

Federal Supply Classification

4820 Nonpowered Valves

Item Name Code

16991

Schedule B Code

8481909090

Summary

Right-hand 1st end thread direction, right-hand 2nd end thread direction, two way two port 360 degree plug turn flow style, grumman; a10 aircraft end item identification, plain (pipe) 1st end connection style, plain, optional end (pipe) 2nd end connection style

DAC	HCC	DMIL	RNCC
6	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	AX

Identification

An item that controls the flow of a fluid by rotation of a ported plug within a suitable ported seat. It must not have any lubrication other than from the fluid controlled, nor contain any nonmetallic seal between plug and seat. See also valve, seatless and valve, plug.

INC	FIIG	Concept	Condition
16991	A530A0	-	1

Specifications

Thread Direction

right-hand 1st end

Details

The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

Thread Direction

right-hand 2nd end

Details

The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

Flow Style

two way two port 360 degree plug turn

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the flow.

End Item Identification

grumman; a10 aircraft

Details

The national stock number or the identification information of the end equipment for which the item is a part.

Connection Style

plain (pipe) 1st end

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.

Connection Style

plain, optional end (pipe) 2nd end

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.

Valve Operation Method

manual

Details

The means used to control the operation of the valve.

Connection Type

threaded external pipe 1st end

Details

Indicates the type of connection/s/.

Connection Type

threaded internal pipe 2nd end

Details

Indicates the type of connection/s/.

Nominal Thread Size

0.250 inches 2nd end

Details

A designation that is used for the purpose of general identification of the thread.

Nominal Thread Size

0.250 inches 1st end

Details

A designation that is used for the purpose of general identification of the thread.

Criticality Code Justification

feat

Details

The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

Special Features

weapon system essential

Details

Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.

Material

copper alloy overall

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Thread Series Designator

npt 2nd end

Details

A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

Thread Series Designator

npt 1st end

Details

A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
401827-002	93742	6	-	5	2	-	AX
028LTE	27410	6	-	5	9	-	AX
2651744	22888	6	-	5	2	-	AX
23A77	05643	E	-	5	9	-	AX
349440	72853	6	-	5	9	-	AX
CE2852	35311	6	-	5	9	-	AX
23A77	30327	6	-	5	9	-	AX
49E	30327	6	-	5	9	-	AX
5049	30327	6	-	5	9	-	AX
3302X4	72216	6	-	3	2	-	AX
2651744	90785	6	-	3	2	-	AX
6829	04255	6	-	5	9	-	AX
V402P-4-4	93061	6	-	3	2	-	AX
53	95318	6	-	5	9	-	AX
3665484	11862	6	-	5	9	-	AX
2A7272	95201	6	-	3	2	-	AX
23A77	0MKW7	E	-	C	1	-	ZZ
EN18-61-1	0CSK6	5	-	5	9	-	ZZ
1897P11	27618	6	-	3	2	-	AX
41-530-01	72219	6	-	3	2	-	AX
00664-0281	79343	5	-	5	2	-	ZZ
9357981	19200	A	-	7	2	-	BF
35102	70142	6	-	3	2	-	AX
P301	90805	6	-	5	9	-	AX
59A61X5-25303	96787	6	-	3	2	-	AX
2127SIZE1-4	48422	6	-	5	9	-	AX
3755A	1ML14	A	-	3	2	-	AX
6829	01276	5	-	3	2	-	ZZ
3755A	28265	A	-	5	9	-	AX
6829	79470	6	-	5	9	-	AX
1714B1	56442	6	-	5	9	-	AX
889151	56442	6	-	5	9	-	AX
BB9151	56442	6	-	5	9	-	AX
00664-0281	93568	6	-	5	9	-	AX
664-281	93568	6	-	5	9	-	AX
130CL	70411	6	-	3	1	-	AX
170CL	70411	6	-	3	2	-	AX
23A77	61790	E	-	5	2	-	AX
60	75833	6	-	3	2	-	AX
812E9256	02413	6	-	5	9	-	TG
1328F	45152	6	-	5	9	-	AX
1328F	75Q65	6	-	3	2	-	ZZ
23A77	13174	5	-	5	9	-	ZZ
49E	13174	5	-	5	9	-	ZZ
5049	13174	5	-	5	9	-	ZZ
38-129M	06909	6	-	5	9	-	AX