The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-406-3541, 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 Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-406-3541 |
| Primary Part Number | 1100AS335-1 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES FIRST END |
| Flow Angle | 180.0 DEGREES SECOND END |
| Measuring Method and Length | 19.940 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 392.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.234 INCHES NOMINAL SECOND END IN |
| Connection Style | PLAIN SWIVEL SECOND END |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | ELBOW FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Angle Between Rigid Elbow Fittings in Deg | 15.0 |
| Connection Type | PLAIN FACE FLANGE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Bolt Hole Diameter | 0.266 INCHES NOMINAL SECOND END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.470 INCHES NOMINAL IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Length | 2.875 INCHES NOMINAL SECOND END IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Inside Diameter | 1.101 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Bolt Hole Quantity | 4 SECOND END |
| Center to Center Distance Between Bolt Holes Along Length | 1.688 INCHES NOMINAL SECOND END IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.656 INCHES NOMINAL SECOND END IN |
| Flange Width | 2.875 INCHES NOMINAL SECOND END IN |
| Hydrostatic Test Pressure | 2000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1100AS335-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| A3276-1 | 3/2 Design control — primary reference U.S. Government activity |
| 1100AS335 | 7/1 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4720-01-406-3541 is a Hose Assembly,nonmetallic, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-406-3541 has 1 manufacturer part number on file: 1100AS335-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 2920-01-518-8367. Verify interchangeability with system specifications before substitution.
Key specifications for 1100AS335-1: Flow Angle: 90.0 DEGREES FIRST END; Flow Angle: 180.0 DEGREES SECOND END; Measuring Method and Length: 19.940 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 392.0 FAHRENHEIT SINGLE RESPONSE DEGF. 29 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.
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.