Tube to Boss Straight Adapter

MIL-F-5509

(NSN) National Stock Number

4730-00-057-6731

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

Item Name Code

22675

Schedule B Code

7307994000

Summary

3a 1st end thread class, 3b 2nd end thread class, flared (tube) 1st end connection style, gasket seal (boss) 2nd end connection style, threaded external tube 1st end connection type, threaded internal boss 2nd end connection type

DAC	HCC	DMIL	RNCC
E	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	ZZ

Identification

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

INC	FIIG	Concept	Condition
22675	A080B0	1	1

Specifications

Thread Class

3a 1st end

Details

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

Thread Class

3b 2nd end

Details

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

Connection Style

flared (tube) 1st end

Details

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

Connection Style

gasket seal (boss) 2nd end

Details

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

Connection Type

threaded external tube 1st end

Details

Indicates the type of connection/s/.

Connection Type

threaded internal boss 2nd 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

0.438 inches 1st end

Details

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

Nominal Thread Size

0.562 inches 2nd end

Details

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

Seat Angle

37.0 degrees 1st end

Details

The angle of the end surface upon which the mated surface seats.

Nominal Outside Diameter Tube Accommodated

0.250 inches 1st end

Details

The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.

Nominal Overall Length

1.391 inches

Details

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

Special Features

grumman a10 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

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.

Media For Which Designed

fluid single response

Details

The type of media for which the item is designed.

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

qq-p-35,type 1 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.

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-as4875/1 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
HT2804 REF.A2H 6790	U4535	4	-	5	2	-	ZK
MS24398J6-4	34724	E	-	5	1	-	AX
MS24398J6-4	22995	E	-	5	9	-	AX
MS24398J6-4	13899	E	-	5	1	-	AX
MS24398J6-4	14798	E	-	5	9	-	AX
MS24398J6-4	14397	E	-	5	9	-	AX
MS24398J6-4	06581	E	-	5	1	-	AX
MS24398J6-4	71563	E	-	5	9	-	AX
MS24398J6-4	27881	E	-	5	9	-	AX
MS24398J6-4	00624	E	-	5	1	-	AX
AS4875/1	81343	E	-	5	9	-	ZZ
AS5173	81343	E	-	5	9	-	ZZ
AS5173J0604	81343	E	-	3	9	-	ZZ
AN894-6-4J	88044	6	-	C	1	-	ZZ
AN894J6-4	88044	6	-	C	1	-	ZZ
MS24398J6-4	96906	E	-	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
30000	-	W	-

RVC	WCC	TCC	SHC
-	576	Z	9

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Manufacturer

MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

CAGE: 81349

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FAQs

Frequently asked questions for NSN 4730-00-057-6731

What is the NIIN of the NSN 4730-00-057-6731?

The National Item Identification Number (NIIN) of the NSN 4730-00-057-6731 is 00-057-6731

When the NSN 4730-00-057-6731 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Tue, Jun 13, 1967

Does the NSN 4730-00-057-6731 contain any precious metals?

Type/content is unknown

Does the NSN 4730-00-057-6731 contain any hazardous material?

No data in HMIRS

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