Boss Reducer

AN919-9

(NSN) National Stock Number

4730-00-187-3603

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, flared w/ gasket seal (boss) all ends connection style, threaded external boss all ends connection type, 0.375 inches 2nd end nominal thread size, 0.750 inches 1st end nominal thread size

DAC	HCC	DMIL	RNCC
E	-	-	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).

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/.

Nominal Thread Size

0.375 inches 2nd end

Details

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

Nominal Thread Size

0.750 inches 1st end

Details

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

Nominal Overall Length

1.453 inches

Details

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

Material

steel comp 1137 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 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.

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.

Thread Series Designator

unjf 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.

Specification/Standard Data

81343as4841 professional/industrial association 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
AN919-9	22995	E	-	5	9	-	AX
AN919-9	13899	E	-	5	9	-	AX
AN919-9	30974	E	-	5	9	-	AX
AN919-9	14798	E	-	5	9	-	AX
AN919-9	14397	E	-	5	9	-	AX
AN919-9	06581	E	-	5	9	-	AX
AN919-9	71563	E	-	5	9	-	AX
AN919-9	00624	E	-	5	9	-	AX
AS4841	0U583	E	-	5	9	-	ZZ
AS5174-0803	0U583	E	-	3	2	-	ZZ
SAE-AS4841	0U583	E	-	3	1	-	ZZ
AS4841	81343	E	-	5	9	-	ZZ
AS5174-0803	81343	E	-	5	9	-	ZZ

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

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

AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

CAGE: 88044

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FAQs

Frequently asked questions for NSN 4730-00-187-3603

What is the NIIN of the NSN 4730-00-187-3603?

The National Item Identification Number (NIIN) of the NSN 4730-00-187-3603 is 00-187-3603

When the NSN 4730-00-187-3603 was assigned to the Federal Catalog?

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

Does the NSN 4730-00-187-3603 contain any precious metals?

Does not contain precious metal

Does the NSN 4730-00-187-3603 contain any hazardous material?

No data in HMIRS

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