Boss Coupling

AS4875

(NSN) National Stock Number

4730-00-278-8868

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

26953

Schedule B Code

7609000000

Summary

3b all ends thread class, gasket seal (boss) all ends connection style, threaded internal boss all ends connection type, 0.562 inches all ends nominal thread size, feat criticality code justification, 1.188 inches nominal overall length

DAC	HCC	DMIL	RNCC
E	-	-	3

RNVC	SADC	MSDS	RNAAC
1	-	-	ZZ

Identification

A straight one-piece fitting 12 inches (304 mm) long or under having the same size fitting on each end (straight machine threads other than pipe or hose series). It may have internal threads on both ends or internal threads on one end and external threads on the other designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It is designed to join two bosses or boss fittings. Excludes:items having external threaded connections on both ends.

INC	FIIG	Concept	Condition
26953	A080B0	-	1

Specifications

Thread Class

3b all ends

Details

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

Connection Style

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 internal boss all ends

Details

Indicates the type of connection/s/.

Nominal Thread Size

0.562 inches all ends

Details

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

Criticality Code Justification

feat

Details

The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

Nominal Overall Length

1.188 inches

Details

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

Special Features

weapons system essential

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 inside

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

anodize outside

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-a-8625 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.

Surface Treatment Document And Classification

mil-a-8625 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.

Style Designator

rigid, short center wrenching facility

Details

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

Thread Series Designator

unf 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

81343-as4875 professional/industrial association standard and 80205-nas424 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
10108326	A486G	9	-	6	9	-	WF
7M637CT-6D	01673	E	-	5	2	-	AX
7M637CT-6D	14798	E	-	5	9	-	AX
7M637CT-6D	52930	E	-	5	2	-	AX
7M637CT-6D	14397	E	-	5	9	-	AX
7M637CT-6D	06581	E	-	5	2	-	AX
7M637	76301	A	-	D	9	-	AX
7M637CT-6D	76301	E	-	5	2	-	AX
AS4875	81343	E	-	5	9	-	ZZ
NAS424-6D	80205	E	-	3	2	-	AX
MIL-F-5509	81349	E	-	5	9	-	ZZ

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.

Genuine Manufacturers Parts
100% Product Inspection
7 Year Sales Record Retention
Fast On-Time Delivery
HAZMAT Certified
Global Shipping

Manufacturer

SAE INTERNATIONAL

CAGE: 0U583

WARRENDALE , PA , 15086-7511

UNITED STATES

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FAQs

Frequently asked questions for NSN 4730-00-278-8868

What is the NIIN of the NSN 4730-00-278-8868?

The National Item Identification Number (NIIN) of the NSN 4730-00-278-8868 is 00-278-8868

When the NSN 4730-00-278-8868 was assigned to the Federal Catalog?

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

Does the NSN 4730-00-278-8868 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-278-8868 contain any hazardous material?

No data in HMIRS

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