Tube Elbow

MS21908D6

(NSN) National Stock Number

4730-00-278-8160

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

03771

Schedule B Code

7609000000

Summary

3a 1st end bulkhead thread class, 3a all ends thread class, 275.0 deg fahrenheit single response maximum operating temp, flareless (tube) all ends connection style, 1.688 inches nominal 1st end leg length, 1.062 inches nominal 2nd end leg length

DAC	HCC	DMIL	RNCC
5	-	-	5

RNVC	SADC	MSDS	RNAAC
2	-	-	ZR

Identification

A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. Both connecting ends have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It may have side or heel inlet(s). See also elbow, pipe and connector, multiple, fluid pressure line.

INC	FIIG	Concept	Condition
03771	A080B0	-	1

Specifications

Thread Class

3a 1st end bulkhead

Details

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

Thread Class

3a all ends

Details

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

Maximum Operating Temp

275.0 deg fahrenheit single response

Details

The maximum temperature at which the item is rated to operate for an extended period of time.

Connection Style

flareless (tube) all ends

Details

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

Leg Length

1.688 inches nominal 1st end

Details

A measurement of the longest dimension of the leg,in distinction from width.

Leg Length

1.062 inches nominal 2nd end

Details

A measurement of the longest dimension of the leg,in distinction from width.

Connection Type

threaded external tube all ends

Details

Indicates the type of connection/s/.

Maximum Operating Pressure

3000.0 pounds per square inch single response

Details

The maximum pressure at which the item is rated for operation.

Nominal Thread Size

0.562 inches 1st end bulkhead

Details

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

Nominal Thread Size

0.562 inches all ends

Details

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

Seat Angle

12.0 degrees all ends

Details

The angle of the end surface upon which the mated surface seats.

Flow Angle

90.0 degrees

Details

The angle that the flow is turned from the straight flow.

Nominal Outside Diameter Tube Accommodated

0.375 inches all ends

Details

The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.

Special Features

used on grumman aircraft,model a10

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

aluminum alloy 2014 overall

Details

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

Material Document And Classification

qq-a-367,t6 fed spec single material response overall

Details

The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.

Media For Which Designed

hydraulic fluid single response

Details

The type of media for which the item is designed.

Surface Treatment

anodize overall

Details

The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

Surface Treatment Document And Classification

mil-a-8625,type 2,class 1 mil spec single treatment response overall

Details

The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

Thread Series Designator

unjf all ends

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

unjf 1st end bulkhead

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.

Specification/Standard Data

96906-ms21908 government standard

Details

The document designator of the specification or standard which established the item of supply.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
MS21908D6	R1120	6	-	5	9	-	ZG
MS21908D6	A0170	5	-	5	2	-	ZR
156/5	K7739	4	-	5	2	-	ZK
X5008/12/156 ITEM 5	K7018	2	-	5	9	-	ZK
X5008/12/156/5	K7018	2	-	5	9	-	ZK
MS21908D6	14397	3	-	5	9	-	AX
MS21908D6	03647	3	-	5	9	-	AX
MS21908D6	00624	3	-	5	9	-	AX
ER833-6D	79470	3	-	5	9	-	AX
ER833D6	79470	3	-	5	9	-	AX
MS21908D6	79470	3	-	5	9	-	AX
AS18280	0U583	E	-	3	1	-	ZZ
AS21908D6	0U583	E	-	3	2	-	ZZ
AS18280	81343	E	-	5	9	-	ZZ
AS21908D6	81343	E	-	5	9	-	ZZ
MS21908D6	50948	3	-	5	9	-	AX
MIL-F-18280	81349	E	-	5	9	-	ZZ
M21908D6	96906	3	-	C	1	-	ZZ
MS21908D6	96906	4	-	5	9	-	AX

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	A	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
30000	-	W	-

RVC	WCC	TCC	SHC
-	576	Z	9

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Manufacturer

LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE

CAGE: A0126

SAMARATE , VA , 21017

ITALY

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FAQs

Frequently asked questions for NSN 4730-00-278-8160

What is the NIIN of the NSN 4730-00-278-8160?

The National Item Identification Number (NIIN) of the NSN 4730-00-278-8160 is 00-278-8160

When the NSN 4730-00-278-8160 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Sun, Jan 1, 1961

Does the NSN 4730-00-278-8160 contain any precious metals?

Does not contain precious metal

Does the NSN 4730-00-278-8160 contain any hazardous material?

No data in HMIRS

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