The Hose,air Duct, cataloged under National Stock Number 4720-01-228-1076, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-228-1076 |
| Primary Part Number | 513-5750013 FIND 6 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 27.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material Document and Classification | QQ-W-423,FORM 1,COMP 302,COND 3 FED SPEC SINGLE MATERIAL RESPONSE SECOND PLY |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 8.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Specification/standard Data | 81349-MIL-H-8796 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 2 CLASS AND 1 TYPE |
| Inside Diameter | 2.000 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 2.000 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5750013-009 | Naval Sea Systems Command (USA) |
| 513-5750013 FIND 6 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| AS8796 | 5/9 Secondary reference U.S. Government activity |
| MIL-H-8796 | 5/9 Secondary reference U.S. Government activity |
| 5750013-6 | 5/9 Secondary reference Textron Systems Corp |
| 513-5750013 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5750013-6 | 5/9 Secondary reference Naval Sea Systems Command |
| 5750013-009 | 5/9 Secondary reference Textron Systems Corp |
| AS8796 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4720-01-228-1076 is a Hose,air Duct, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-228-1076 has 2 manufacturer part numbers on file: 5750013-009 (Naval Sea Systems Command), 513-5750013 FIND 6 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-419-4702. Verify interchangeability with system specifications before substitution.
Key specifications for 513-5750013 FIND 6: Measuring Method and Length: 27.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 2.000 INCHES IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4720-01-228-1076 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.