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NSN 4720-01-339-9761Government record, cited
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Hose, Air Duct4720-01-339-9761

NSN 4720-01-339-9761 · NIIN 013399761
FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4720-01-339-9761 · 4720013399761 · NIIN 013399761 · 01-339-9761 · FSC 4720 Hose and Flexible Tubing · NAS1370B06SA030 · NAS1370 · NAS1369
Nearby stock numbers  ·
END VIEW L 7.500 INCHES NOMINAL OVERALL IN Wall: 0.065 INCHES NOMINAL IN PIPE CROSS SECTION
4720-01-339-9761 — Hose and Flexible Tubing
Features
  • Hose,air Duct — FSC 4720
  • Measuring Method and Length: 7.500 INCHES NOMINAL OVERALL IN
  • Minimum Inside Bending Radius: 1.500 INCHES IN
  • Connection Type: PLAIN BOTH ENDS
  • Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
  • Cross-Sectional Shape Style: ROUND
  • Wall Thickness: 0.065 INCHES NOMINAL IN
  • Operating Pressure: 4.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Identification
  • NSN: 4720-01-339-9761
  • NIIN: 013399761
  • FSC: 4720 — Hose and Flexible Tubing
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-339-9761, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-339-9761
Item NameHose,air Duct
FSC / FSG4720 / 47 — Hose and Flexible Tubing
StatusACTIVE
Measuring Method and Length7.500 INCHES NOMINAL OVERALL IN
Minimum Inside Bending Radius1.500 INCHES IN
Connection TypePLAIN BOTH ENDS
Style DesignatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
Cross-Sectional Shape StyleROUND
Wall Thickness0.065 INCHES NOMINAL IN
Operating Pressure4.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Inside Diameter1.500 INCHES NOMINAL FIRST END IN
MaterialSTEEL REINFORCING WIRE
MaterialFIBERGLASS AND RUBBER SILICONE CLASS Q REINFORCING CORD
MaterialFIBERGLASS AND RUBBER SILICONE CLASS Q FIRST PLY
MaterialFIBERGLASS AND RUBBER SILICONE CLASS Q SECOND PLY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-01-339-9762NAS1370B06SA098 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-01-374-9509NAS1376A12SL168 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-01-465-4393NAS1370B16SB120 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-01-465-4396NAS1370B16SB044 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
NAS1370B06SA030 3/2 Design control — primary reference
U.S. Government activity
NAS1370 D/9 Drawing number reference only
U.S. Government activity
NAS1369 3/1 Design control — primary reference
U.S. Government activity
Related Parts
4720-01-339-9762POSSIBLE MATCH
HOSE,AIR DUCT
NAS1370B06SA098
4720-01-374-9509POSSIBLE MATCH
HOSE,AIR DUCT
NAS1376A12SL168
4720-01-465-4393POSSIBLE MATCH
HOSE,AIR DUCT
NAS1370B16SB120
4720-01-465-4396POSSIBLE MATCH
HOSE,AIR DUCT
NAS1370B16SB044

Frequently Asked Questions

What is NSN 4720-01-339-9761?

NSN 4720-01-339-9761 is a Hose,air Duct, classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What NSN replaces 4720-01-339-9761?

4 possible matches (shared part number, not a government interchangeability claim): 4720-01-339-9762, 4720-01-374-9509, 4720-01-465-4393. Verify interchangeability with system specifications before substitution.

What are the specifications of 4720-01-339-9761?

Key specifications for 4720-01-339-9761: Measuring Method and Length: 7.500 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 1.500 INCHES IN; Connection Type: PLAIN BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4720-01-339-9761 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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