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NSN 4720-01-603-7008Government record, cited
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Hose, Air Duct4720-01-603-7008

NSN 4720-01-603-7008 · NIIN 016037008
FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4720-01-603-7008 · 4720016037008 · NIIN 016037008 · 01-603-7008 · FSC 4720 Hose and Flexible Tubing · NAS520-32-32 · NAS520 · NAS522
Nearby stock numbers  ·
END VIEW L 8.0 INCHES NOMINAL OVERALL IN Wall: 0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN PIPE CROSS SECTION
4720-01-603-7008 — Hose and Flexible Tubing
Features
  • Hose,air Duct — FSC 4720
  • Measuring Method and Length: 8.0 INCHES NOMINAL OVERALL IN
  • Style Designator: SLEEVE SECTION
  • Cross-Sectional Shape Style: ROUND
  • Wall Thickness: 0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
  • Operating Pressure: 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
  • Inside Diameter: 4.0 INCHES NOMINAL BOTH ENDS IN
Identification
  • NSN: 4720-01-603-7008
  • NIIN: 016037008
  • FSC: 4720 — Hose and Flexible Tubing
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-603-7008, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4720-01-603-7008
Item NameHose,air Duct
FSC / FSG4720 / 47 — Hose and Flexible Tubing
StatusACTIVE
Measuring Method and Length8.0 INCHES NOMINAL OVERALL IN
Style DesignatorSLEEVE SECTION
Cross-Sectional Shape StyleROUND
Wall Thickness0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Operating Pressure20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Inside Diameter4.0 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-01-650-8782NAS520-10-11 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
4720-01-650-8785NAS520-4-20 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Arrowhead Products Corp
4720-01-650-8786NAS520-4-76 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Bemco, Inc
4720-01-650-8787NAS520-4-8 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Arrowhead Products Corp
4720-01-650-8788NAS520-5-21 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Arrowhead Products Corp
4720-01-650-8789NAS520-6-13 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Bemco, Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
NAS520-32-32 3/2 Design control — primary reference
U.S. Government activity
NAS520 D/9 Drawing number reference only
U.S. Government activity
NAS522 3/1 Design control — primary reference
U.S. Government activity
Related Parts
4720-01-650-8782POSSIBLE MATCH
HOSE,AIR DUCT
NAS520-10-11
4720-01-650-8785POSSIBLE MATCH
HOSE,AIR DUCT
NAS520-4-20
4720-01-650-8786POSSIBLE MATCH
HOSE,AIR DUCT
NAS520-4-76
4720-01-650-8787POSSIBLE MATCH
HOSE,AIR DUCT
NAS520-4-8
4720-01-650-8788POSSIBLE MATCH
HOSE,AIR DUCT
NAS520-5-21
4720-01-650-8789POSSIBLE MATCH
HOSE,AIR DUCT
NAS520-6-13

Frequently Asked Questions

What is NSN 4720-01-603-7008?

NSN 4720-01-603-7008 is a Hose,air Duct, classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What NSN replaces 4720-01-603-7008?

6 possible matches (shared part number, not a government interchangeability claim): 4720-01-650-8782, 4720-01-650-8785, 4720-01-650-8786. Verify interchangeability with system specifications before substitution.

What are the specifications of 4720-01-603-7008?

Key specifications for 4720-01-603-7008: Measuring Method and Length: 8.0 INCHES NOMINAL OVERALL IN; Style Designator: SLEEVE SECTION; Cross-Sectional Shape Style: ROUND; Wall Thickness: 0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4720-01-603-7008 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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