Tube to Boss Elbow

MIL-F-18866

(NSN) National Stock Number

4730-00-087-2895

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

22679

Schedule B Code

7307929000

Summary

2a all ends thread class, 250.0 deg fahrenheit single response maximum operating temp, truck tractor 2-1/2 ton 8x8 m746,stratofortess,b-52 aircraft application end item identification, external seat for gasket seal (boss) 2nd end connection style, flareless (tube) 1st end connection style, 0.891 inches nominal 1st end leg length

DAC	HCC	DMIL	RNCC
E	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	AX

Identification

A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.

INC	FIIG	Concept	Condition
22679	A080B0	-	1

Specifications

Thread Class

2a all ends

Details

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

Maximum Operating Temp

250.0 deg fahrenheit single response

Details

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

End Item Identification

truck tractor 2-1/2 ton 8x8 m746,stratofortess,b-52 aircraft application

Details

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

Connection Style

external seat for gasket seal (boss) 2nd end

Details

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

Connection Style

flareless (tube) 1st end

Details

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

Leg Length

0.891 inches nominal 1st end

Details

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

Leg Length

1.031 inches nominal 2nd end

Details

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

Connection Type

threaded external boss 2nd end

Details

Indicates the type of connection/s/.

Connection Type

threaded external tube 1st end

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

0.438 inches all ends

Details

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

Seat Angle

12.0 degrees 1st end

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

0.250 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.

Material

steel comp 1213 overall or steel comp 1117 overall or steel comp 1118 overall or steel comp 1137 overall or steel comp 12l14 overall

Details

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

Material Document And Classification

66 fed std 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

air 1st response

Details

The type of media for which the item is designed.

Media For Which Designed

hydraulic fluid 2nd response

Details

The type of media for which the item is designed.

Surface Treatment

cadmium 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

qq-p-416,type 2,class 3 fed 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

unf 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.

Furnished Items And Quantity

1 tube coupling nut w/sleeve

Details

The name and number of those parts furnished with the item of supply that have not been specified elsewhere.

Specification/Standard Data

96906-ms51839 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
769-FS0SS-04	30327	6	-	C	1	-	ZZ
MS51839-3	30327	E	-	5	9	-	AX
MS51839-3	30780	E	-	5	1	-	9Z
MS51839-3	79470	E	-	5	9	-	AX
MS51839-3	98441	E	-	5	9	-	AX
E101286 PC NO 48	3X894	5	-	C	1	-	ZZ
MIL-DTL-18866	81349	E	-	4	1	-	ZZ
MS51839-23	96906	6	-	C	1	-	ZZ
MS51839-3	96906	E	-	5	9	-	AX
MS51839-3A	96906	E	-	2	2	-	AX

Material and Special Handling

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

HMIC	PMIC	ESD/EMI	Criticality
N	U	-	-

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

MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

CAGE: 81349

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FAQs

Frequently asked questions for NSN 4730-00-087-2895

What is the NIIN of the NSN 4730-00-087-2895?

The National Item Identification Number (NIIN) of the NSN 4730-00-087-2895 is 00-087-2895

When the NSN 4730-00-087-2895 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Feb 5, 1972

Does the NSN 4730-00-087-2895 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-087-2895 contain any hazardous material?

No data in HMIRS

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