Boss Reducer

AN919-25

(NSN) National Stock Number

4730-00-222-1802

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

23541

Schedule B Code

7307992000

Summary

3a all ends thread class, concentric reducer type, 71.0 deg celsius single response maximum operating temp, aircraft application end item identification, flared w/ gasket seal (boss) all ends connection style, threaded external boss all ends connection type

DAC	HCC	DMIL	RNCC
3	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	AX

Identification

A straight fitting having a boss connection of a different size at each end. Both connections have external 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. Excludes:bushing (as modified).

INC	FIIG	Concept	Condition
23541	A080B0	-	1

Specifications

Thread Class

3a all ends

Details

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

Reducer Type

concentric

Details

Refers to the location of the ends whether on the same centerline (concentric) or on different centerlines (eccentric).

Maximum Operating Temp

71.0 deg celsius single response

Details

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

End Item Identification

aircraft application

Details

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

Connection Style

flared w/ gasket seal (boss) all ends

Details

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

Connection Type

threaded external boss all ends

Details

Indicates the type of connection/s/.

Thread Quantity Per Inch

12 all ends

Details

The number of threads on the item per linear inch measured on a line parallel to the thread axis.

Maximum Operating Pressure

1500.0 pounds per square inch single response

Details

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

Nominal Thread Size

1.062 inches 2nd end

Details

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

Nominal Thread Size

1.625 inches 1st end

Details

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

Nominal Overall Length

2.250 inches

Details

The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

Material

steel overall

Details

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

Thread Series Designator

un 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.

Specification/Standard Data

88044-an919 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
AN919-25	13899	3	-	5	9	-	AX
AN919-25	30974	3	-	5	9	-	AX
AN919-25	14798	E	-	5	9	-	AX
AN919-25	14397	3	-	5	9	-	AX
AN919-25	06581	3	-	5	9	-	AX
AN919-25	71563	3	-	5	9	-	AX
AN919-25	00624	3	-	5	9	-	AX
AS4841	0U583	A	-	5	9	-	ZZ
AS5174-2012	0U583	E	-	3	2	-	ZZ
SAE-AS4841	0U583	E	-	3	1	-	ZZ
AS4841	81343	A	-	5	9	-	ZZ
AS5174	81343	E	-	5	9	-	ZZ
AS5174-2012	81343	E	-	5	9	-	ZZ
AN919-25	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
-	576	Z	9

Certified Supplier

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

Genuine Manufacturers Parts
100% Product Inspection
7 Year Sales Record Retention
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HAZMAT Certified
Global Shipping

Manufacturer

CROWN FITTING CO INC

CAGE: 22995

BUENA PARK , CA , 90622

UNITED STATES

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FAQs

Frequently asked questions for NSN 4730-00-222-1802

What is the NIIN of the NSN 4730-00-222-1802?

The National Item Identification Number (NIIN) of the NSN 4730-00-222-1802 is 00-222-1802

When the NSN 4730-00-222-1802 was assigned to the Federal Catalog?

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

Does the NSN 4730-00-222-1802 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-222-1802 contain any hazardous material?

No data in HMIRS

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