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NSN 1660-00-023-4216

Air Breathing Air Duct Hose Assembly

NSN: 1660-00-023-4216 | Model: MIL-H-81581/3

A length of hose, air duct, air breathing which may have end couplings on one or both end/or incorporates a communication cable. It is designed for use in breathing oxygen system, air line masks, gas masks, and the like. Excludes items which include the branch or fork hoses; assemblies made up of the oxygen breathing hose, communication cable, wiring for face mask heater, and vent and pressure ducts for the anti-gsuit and hose assembly, nonmetallic.

NSN Properties and Flags

NATO Stock Number

1660-00-023-4216

DEMIL

Yes - ITAR Controlled (Code B)

Cross Sectional Shape

Round

Wall Thickness

0.188 inches

Inside Diameter

0.250 inches first end

Hose Weight

0.110 ounces per linear foot

Connection Type

Coupling first end

Maximum Operating Pressure

70.0 pounds per square inch

Thread Size

0.500 inches both ends

Measuring Method And Length

14.000 inches

Coupling Style

Threaded internal first end

Material

Steel reinforcing wire

Material Specification

Qq-a-225/6, alloy 2024, t4 federal specification single material response 1st end coupling

Surface Treatment

Anodize 1st end coupling

Surface Treatment Specification

Mil-a-8625, type 2 military specification single treatment response 1st end coupling

Style Designator

Fully convoluted w/ wire rings between convolutions

Thread Series Designator

Unjf both ends

Specification Data

80206-33c1204 government standard

Fsc Application Data

Aircraft oxygen breathing system

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 1660-00-023-4216 Datasheet

Supply Class (FSC):

Pressurizing Equipment Heating Aircraft Air Conditioning

Cross Reference:

MIL-H-81581/3
33C1204-140
REDAR 17S-1-14 C
A10529-14
REDAR17-2-14TYPEC

Cage Codes:

Military Specifications (CAGE 81349)
Naval Air Development Center (CAGE 80206)
R. E. Darling Co., Inc. (CAGE 28445)

Schedule B & Trade:

Schedule B: 8803300060 (NAICS 336413)

Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
SITC: 79295

Parts of airplanes or helicopters, n.E.S.
End Use: 50070

Parts for military-type goods

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

051140 - Hose: noi tubing
WCC:

671 - Aircraft parts, to include test/tool sets and equipment (other than armament systems)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LCL:

Q - 70.0
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 1660-00-023-4216 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Italy
What is the NIIN of NSN 1660-00-023-4216?
000234216 or 00-023-4216
Does NSN 1660-00-023-4216 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1660-00-023-4216?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963