NSN 4720-00-702-3994

Air Duct Hose
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
120 mo.
UOM:
25 EA
NIIN:
007023994

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:



Privacy Policy    Terms & Conditions

Inventory

 

This product may be available in the following quantities and conditions.

  • NS: 7
  • NE: 28

Please note that inventory for this NSN was updated 07/14/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "HOSE,AIR DUCT"

A flexible, tubular item of light wall construction. It must have single or multiple layers of nonmetallic material, but may contain metal wire reinforcement, foil type liner, and/or woven or braided cover. It is designed to convey under low pressure gaseous material, such as air and fumes, and light weight solid materials, such as dust, powders, and fibers. For items with couplings, see hose assembly, air duct. For items of sleeve section design rated for high pressure use, see sleeve, seal, coupling. Excludes hose, nonmetallic.

4720-00-702-3994 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AAGR
Cross Sectional Shape
Round
MRC:
AAGT
Wall Thickness
Between 0.030 inches and 0.093 inches
MRC:
AARX
Inside Diameter
1.250 inches first end
MRC:
AWLS
Connection Type
Plain both ends
MRC:
CQGM
Maximum Operating Pressure
20.0 pounds per square inch
MRC:
CRXX
Measuring Method And Length
3.000 inches
MRC:
MATT
Material
Rubber synthetic all plies and cotton all plies
MRC:
STYL
Style Designator
Sleeve section
MRC:
ZZZK
Specification Data
80205-nas521 professional/industrial association standard

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
NAS522TYPE2
Cage Code:
80205
RNCC:
3
RNVC:
1
DAC:
4
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
NAS521-10-12
Cage Code:
80205
RNCC:
3
RNVC:
2
DAC:
4
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
11116
FIIG:
A229A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
ADPE:
CRITL:
X
Hazmat (HMIC) N

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

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality X

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

National motor freight and handling

NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
194120
NMF Description:
Washers/gaskets/pckg Dvcs Noi
UFC:
95100
LTL:
Rating variable
LCL:
--
WCC:
736
TCC:
Z
SHC:
9
ADC:
A
ACC:
V

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 736

Plumbing supplies.

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)