Air Breathing Hose Assembly

MIL-DTL-81581

(NSN) National Stock Number

4720-00-091-2710

Federal Supply Classification

4720 Hose and Flexible Tubing

Item Name Code

39227

Schedule B Code

Summary

Round cross-sectional shape style, 0.312 inches nominal wall thickness, 0.750 inches nominal first end inside diameter, 1.094 inches minimum and 1.250 inches maximum both ends outside diameter, 0.938 inches minimum and 1.062 inches maximum both ends end overall length, round both ends connection style

DAC	HCC	DMIL	RNCC
E	-	-	4

RNVC	SADC	MSDS	RNAAC
1	-	-	ZZ

Identification

A length of hose, air breathing with couplings on one or both ends and/or a communication cable. Excludes:items which include a branch hose or fork hoses; wiring for face mask heater; vent and pressure ducts for an anti-g-suit; hose assembly, nonmetallic.

INC	FIIG	Concept	Condition
39227	A229A0	-	2

Specifications

Cross-Sectional Shape Style

round

Details

The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.

Wall Thickness

0.312 inches nominal

Details

A measurement of the smallest dimension of the wall,in distinction from length or width.

Inside Diameter

0.750 inches nominal first end

Details

The length of a straight line which passes through the center of a circular figure or body,and terminates at the inside circumference.

Outside Diameter

1.094 inches minimum and 1.250 inches maximum both ends

Details

The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

End Overall Length

0.938 inches minimum and 1.062 inches maximum both ends

Details

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

Connection Style

round both ends

Details

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

Hose Weight

7.000 ounces per linear foot

Details

The weight per specific length of hose.

Connection Type

coupling second end

Details

Indicates the type of connection/s/.

Connection Type

soft first end

Details

Indicates the type of connection/s/.

Features Provided

ozone resistant and communication cable

Details

Those features,not otherwise specified,which may be required for proper functioning of the item.

End Inside Diameter

0.844 inches minimum and 0.875 inches maximum both ends

Details

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

Measuring Method And Length

48.000 inches nominal overall

Details

The means used and the measurement of the longest dimension of an item.

Coupling Style

connector, oxygen hose to regulator w/ clip (note: applicable to hose assembly, air breathing only.) second end

Details

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

Coupling Style

oxygen hose clamp first end

Details

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

Special Features

end similarity:not identical; hose style:helically wound continuous wire supported, style no. 4 from old fiig a22900; scuff strip:not included; hose material:any acceptable; restraint cord:not included

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

copper alloy 1st end coupling

Details

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

Material

copper alloy 2nd end coupling

Details

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

Material

cotton and fiberglass 1st ply

Details

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

Material Document And Classification

qq-s-777 fed spec single material response 2nd end coupling

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

chromate zinc 2nd end coupling

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.

Style Designator

helically wound continous wire supported

Details

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

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
A10023-15	28445	5	-	5	9	-	KE
D100-548	28445	X	-	5	9	-	XX
REDAR-A10023-15	28445	5	-	5	1	-	ZZ
33C1078-48Z	80206	X	-	5	1	-	XX
DR274-48	81300	X	-	5	1	-	XX
MS22055C48	96906	3	-	2	2	-	KE

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
00000	-	W	-

RVC	WCC	TCC	SHC
-	843	Z	9

Certified Supplier

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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 4720-00-091-2710

What is the NIIN of the NSN 4720-00-091-2710?

The National Item Identification Number (NIIN) of the NSN 4720-00-091-2710 is 00-091-2710

When the NSN 4720-00-091-2710 was assigned to the Federal Catalog?

It was assigned 61 years ago, on Tue, Jan 1, 1963

Does the NSN 4720-00-091-2710 contain any precious metals?

Does not contain precious metal

Does the NSN 4720-00-091-2710 contain any hazardous material?

No data in HMIRS

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