Boss Reducer

AN893-121D

(NSN) National Stock Number

4730-00-231-1331

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

23541

Schedule B Code

7609000000

Summary

3a 2nd end thread class, 3b 1st end thread class, concentric reducer type, external seat for gasket seal (boss) 2nd end connection style, gasket seal (boss) 1st end connection style, threaded external boss 2nd end 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 2nd end

Details

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

Thread Class

3b 1st end

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

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

gasket seal (boss) 1st end

Details

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

Connection Type

threaded external boss 2nd end

Details

Indicates the type of connection/s/.

Connection Type

threaded internal boss 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

0.562 inches 1st end

Details

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

Nominal Thread Size

0.875 inches 2nd end

Details

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

Reduced Passage Nominal Inside Diameter

0.500 inches 1st end

Details

The nominal length of a straight line which passes through the center of the reduced passage,and terminates at the inside circumference.

Reduced Passage Nominal Inside Diameter

0.500 inches 2nd end

Details

The nominal length of a straight line which passes through the center of the reduced passage,and terminates at the inside circumference.

Nominal Overall Length

1.21875 inches

Details

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

Special Features

grumman aerospace a-10 aircraft

Details

Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.

Material

aluminum alloy overall

Details

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

Surface Treatment

anodize 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

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.

Thread Series Designator

unjf 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

81343 - as5172 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
AN893-121D	R1120	6	-	5	2	-	ZG
AN893-121D	13829	3	-	5	9	-	AX
AN893-121D	22995	3	-	5	9	-	AX
AN893-121D	30974	3	-	5	9	-	AX
AN893-121D	14798	E	-	5	9	-	AX
AN893-121D	14397	3	-	5	9	-	AX
AN893-121D	06581	3	-	5	9	-	AX
AN893-121D	71563	3	-	5	9	-	AX
AN893-121D	00624	3	-	5	9	-	AX
AS4875	0U583	E	-	5	9	-	ZZ
AS5172	0U583	E	-	5	9	-	ZZ
AS5172D0610L	0U583	E	-	3	2	-	ZZ
SAE-AS4875	0U583	E	-	3	1	-	ZZ
AS4875	81343	E	-	5	9	-	ZZ
AS5172	81343	E	-	5	9	-	ZZ
AS5172D0610L	81343	E	-	5	9	-	ZZ
893-121D	88044	6	-	C	1	-	ZZ
MS24397D121	96906	4	-	5	9	-	9Z

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
00000	-	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.

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7 Year Sales Record Retention
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HAZMAT Certified
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Manufacturer

AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

CAGE: 88044

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FAQs

Frequently asked questions for NSN 4730-00-231-1331

What is the NIIN of the NSN 4730-00-231-1331?

The National Item Identification Number (NIIN) of the NSN 4730-00-231-1331 is 00-231-1331

When the NSN 4730-00-231-1331 was assigned to the Federal Catalog?

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

Does the NSN 4730-00-231-1331 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-231-1331 contain any hazardous material?

No data in HMIRS

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