The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-321-3675, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-321-3675 |
| Primary Part Number | 4069506 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Inside Diameter | 0.320 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| 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 |
|---|---|
| 4069506 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 110553-506 PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| 4072104 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4069507 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| AE707549-1 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
NSN 4720-01-321-3675 is a Hose Assembly,nonmetallic, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-321-3675 has 5 manufacturer part numbers on file: 4069506 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 110553-506 (Smiths Tubular Systems-Laconia, Inc.), 4072104 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4069507 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), AE707549-1 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 4069506: Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.750 INCHES NOMINAL IN; Inside Diameter: 0.320 INCHES NOMINAL IN; Inside Surface Condition: SMOOTH. 4 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.