Boss Elbow

SK4-2648GS1

(NSN) National Stock Number

4730-00-278-9309

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

22676

Schedule B Code

7307929000

Summary

3b all ends thread class, gasket seal (boss) all ends connection style, 0.688 inches nominal 1st end leg length, threaded internal boss all ends connection type, 0.438 inches 1st end nominal thread size, 45.0 degrees flow angle

DAC	HCC	DMIL	RNCC
5	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	AX

Identification

A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/or internal machine threads (straight threads other than pipe or hose series), and are 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 join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes:elbow, tube.

INC	FIIG	Concept	Condition
22676	A080B0	-	1

Specifications

Thread Class

3b all ends

Details

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

Connection Style

gasket seal (boss) all ends

Details

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

Leg Length

0.688 inches nominal 1st end

Details

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

Connection Type

threaded internal boss all ends

Details

Indicates the type of connection/s/.

Nominal Thread Size

0.438 inches 1st end

Details

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

Flow Angle

45.0 degrees

Details

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

Material

steel comp 4140 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.

Surface Treatment

cadmium inside

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

cadmium outside

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,ty 1,cl 2 fed spec single treatment response inside

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.

Surface Treatment Document And Classification

qq-p-416,ty 1,cl 2 fed spec single treatment response outside

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.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
AN941-4	22995	3	-	5	9	-	AX
AN941-4	13899	3	-	5	9	-	AX
AN941-4	30974	3	-	5	9	-	AX
AN941-4	14798	E	-	5	9	-	AX
AN941-4	14397	3	-	5	9	-	AX
AN941-4	06581	3	-	5	9	-	AX
AN941-4	71563	3	-	5	9	-	AX
AN941-4	95764	X	-	5	9	-	XX
AN941-4	00624	3	-	5	9	-	AX
4-2044-1A	45681	3	-	5	9	-	AX
A55191	0U583	E	-	5	9	-	ZZ
AS5191-04	0U583	E	-	3	2	-	ZZ
SAE-AS4875	0U583	E	-	3	1	-	ZZ
A55191	81343	E	-	5	9	-	ZZ
AS5191-04	81343	E	-	5	9	-	ZZ
AN928-4	88044	5	-	5	9	-	SB
AN941-4	88044	3	-	5	9	-	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
-	713	Z	9

Provided with every order

Order with confidence, we are a valued certified supplier serving customers in the military and aerospace industries.

Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

Manufacturer

PARKER-HANNIFIN CORPORATION DIV CORPORATE HEADQUARTERS

CAGE: 45681

CLEVELAND , OH , 44124-4186

UNITED STATES

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FAQs

Frequently asked questions for NSN 4730-00-278-9309

What is the NIIN of the NSN 4730-00-278-9309?

The National Item Identification Number (NIIN) of the NSN 4730-00-278-9309 is 00-278-9309

When the NSN 4730-00-278-9309 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Sun, Jan 1, 1961

Does the NSN 4730-00-278-9309 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-278-9309 contain any hazardous material?

No data in HMIRS

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