Boss Reducer

AN919-21J

(NSN) National Stock Number

4730-00-403-4695

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

23541

Schedule B Code

7307994000

Summary

3a all ends thread class, concentric reducer type, 160.0 deg fahrenheit 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
1	-	-	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

160.0 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

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 1st end

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

0.438 inches 2nd end

Details

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

Nominal Thread Size

1.312 inches 1st end

Details

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

Nominal Overall Length

1.844 inches

Details

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

Material

steel comp 304 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

passivate 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-f-14072,e300,ty 2 mil 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.

Surface Treatment Document And Classification

mil-s-5002 mil 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.

Thread Series Designator

un 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.

Thread Series Designator

unf 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.

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
AN919-21J	22995	3	-	5	9	-	AX
AN919-21J	13899	3	-	5	1	-	AX
AN919-21J	30974	3	-	5	1	-	AX
AN919-21J	14397	3	-	5	9	-	AX
AN919-21J	71563	3	-	5	9	-	AX
AN919-21J	00624	3	-	5	1	-	AX
AN919-21J	14728	E	-	5	1	-	AX
AN919-21J	88044	3	-	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

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
Fast On-Time Delivery
HAZMAT Certified
Global Shipping

Manufacturer

ALLAN AIRCRAFT SUPPLY CO., LLC DBA ALLAN AIRCRAFT SUPPLY

CAGE: 06581

NORTH HOLLYWOOD , CA , 91605-6128

UNITED STATES

View Products

FAQs

Frequently asked questions for NSN 4730-00-403-4695

What is the NIIN of the NSN 4730-00-403-4695?

The National Item Identification Number (NIIN) of the NSN 4730-00-403-4695 is 00-403-4695

When the NSN 4730-00-403-4695 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Mon, Jun 29, 1970

Does the NSN 4730-00-403-4695 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-403-4695 contain any hazardous material?

No data in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.