Boss Nipple

MS21900D8

(NSN) National Stock Number

4730-00-289-4681

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

26952

Schedule B Code

7609000000

Summary

2a all ends thread class, external seat for gasket seal (boss) 2nd end connection style, flared w/ gasket seal (boss) 1st end connection style, threaded external boss all ends connection type, 0.750 inches all ends nominal thread size, 1.468 inches nominal overall length

DAC	HCC	DMIL	RNCC
5	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	AX

Identification

A straight, one-piece fitting used to join two bosses or boss fittings. Both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). It is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. The center section may be suitably shaped to accommodate a wrench.

INC	FIIG	Concept	Condition
26952	A080B0	-	1

Specifications

Thread Class

2a all ends

Details

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

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

flared w/ 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 all ends

Details

Indicates the type of connection/s/.

Nominal Thread Size

0.750 inches all ends

Details

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

Nominal Overall Length

1.468 inches

Details

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

Material

aluminum alloy 2024 overall or aluminum alloy 2014 overall

Details

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

Material Document And Classification

qq-a-225/6,t6 fed spec 1st material response overall or qq-a-225/4,t6 fed spec 2nd 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.

Media For Which Designed

hydraulic fluid single response

Details

The type of media for which the item is designed.

Surface Treatment

zinc 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

qq-z-363 fed spec single treatment response overall

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.

Style Designator

flared and flareless w/ center wrenching facility

Details

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

Thread Series Designator

unjf 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

96906-ms21900 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
MS21900D8	14397	3	-	5	9	-	AX
MS21900D8	03647	3	-	5	9	-	AX
MS21900D8	45681	3	-	5	9	-	AX
105-00188	79470	5	-	5	9	-	AX
ER115D8	79470	5	-	5	9	-	AX
MS21900D8	79470	3	-	5	9	-	AX
AS18280	0U583	6	-	5	1	-	ZZ
MS21900W8	0U583	E	-	3	2	-	ZZ
SAE-AS18280	0U583	E	-	3	1	-	ZZ
AS18280	81343	6	-	5	9	-	ZZ
AS21900-8	81343	6	-	5	9	-	ZZ
MS21900W8	81343	E	-	3	9	-	ZZ
MS21900D8	50948	3	-	5	9	-	AX
MS21900D8	96906	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
00000	-	W	-

RVC	WCC	TCC	SHC
-	576	Z	9

Certified Supplier

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Manufacturer

EATON AEROQUIP LLC DBA AEROSPACE GROUP DIV FLUID AND ELECTRICAL DISTRIBUTION

CAGE: 00624

JACKSON , MI , 49203-1973

UNITED STATES

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FAQs

Frequently asked questions for NSN 4730-00-289-4681

What is the NIIN of the NSN 4730-00-289-4681?

The National Item Identification Number (NIIN) of the NSN 4730-00-289-4681 is 00-289-4681

When the NSN 4730-00-289-4681 was assigned to the Federal Catalog?

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

Does the NSN 4730-00-289-4681 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-289-4681 contain any hazardous material?

No data in HMIRS

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