FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as4720-01-233-8058 ·
4720012338058 ·
NIIN 012338058 ·
01-233-8058 ·
FSC 4720 Hose and Flexible Tubing · NAS520 · NAS520-20-11 · NAS522
Nearby stock numbers← 4720-01-233-8057 Hose, Air Duct
·
4720-01-233-9026 →
4720-01-233-8058 — Hose and Flexible Tubing
Features
Hose,air Duct — FSC 4720
Measuring Method and Length: 2.750 INCHES NOMINAL OVERALL IN
Connection Type: PLAIN FIRST END
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
Specification/standard Data: 80205-NAS520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Identification
NSN: 4720-01-233-8058
NIIN: 012338058
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Hose,air Duct, cataloged under National Stock Number 4720-01-233-8058, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4720-01-233-8058
Item Name
Hose,air Duct
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Status
ACTIVE
Measuring Method and Length
2.750 INCHES NOMINAL OVERALL IN
Connection Type
PLAIN FIRST END
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
Specification/standard Data
80205-NAS520 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Inside Diameter
2.500 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-01-432-9014AD1199-5-7POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Hbd Industries, Inc Div Hbd/thermoid Inc
4720-01-603-7008NAS520-32-32POSSIBLE 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
4720-01-650-8782NAS520-10-11POSSIBLE 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
4720-01-650-8785NAS520-4-20POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Arrowhead Products Corp
4720-01-650-8786NAS520-4-76POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Bemco, Inc
4720-01-650-8787NAS520-4-8POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Arrowhead Products Corp
4720-01-650-8788NAS520-5-21POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Arrowhead Products Corp
4720-01-650-8789NAS520-6-13POSSIBLE 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
Reference
Meaning
NAS520
D/9Drawing number reference only
U.S. Government activity
NAS520-20-11
3/2Design control — primary reference
U.S. Government activity
NAS522
3/1Design control — primary reference
U.S. Government activity
Related Parts
4720-01-432-9014POSSIBLE MATCH
HOSE,AIR DUCT
AD1199-5-7
4720-01-603-7008POSSIBLE MATCH
HOSE,AIR DUCT
NAS520-32-32
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 4720-01-233-8058?
NSN 4720-01-233-8058 is a Hose,air Duct, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What NSN replaces 4720-01-233-8058?
8 possible matches (shared part number, not a government interchangeability claim): 4720-01-432-9014, 4720-01-603-7008, 4720-01-650-8782. Verify interchangeability with system specifications before substitution.
What are the specifications of 4720-01-233-8058?
Key specifications for 4720-01-233-8058: Measuring Method and Length: 2.750 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN FIRST END; Style Designator: SLEEVE SECTION; Cross-Sectional Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-233-8058 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.