The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-520-8156, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Transdigm Inc Div Adelwiggins Group. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-520-8156 |
| Primary Part Number | 6928-3-0185-0185 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Measuring Method and Length | 37.200 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Criticality Code Justification | FEAT |
| Cross-Sectional Shape Style | ROUND |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 2.000 INCHES FIRST END IN |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UN FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 6928-3-0185-0185 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| 556-7409612-F157 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7409612 | D/9 Drawing number reference only Naval Sea Systems Command |
| B793-3100-F157 | 5/2 Secondary reference U.S. Government activity |
NSN 4720-01-520-8156 is a Hose Assembly,nonmetallic, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-520-8156 has 2 manufacturer part numbers on file: 6928-3-0185-0185 (Transdigm Inc Div Adelwiggins Group), 556-7409612-F157 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-672-5933. Verify interchangeability with system specifications before substitution.
Key specifications for 6928-3-0185-0185: Measuring Method and Length: 37.200 INCHES NOMINAL EXCLUDING END FITTINGS IN; Criticality Code Justification: FEAT; Cross-Sectional Shape Style: ROUND; Thread Direction: RIGHT-HAND FIRST END. 7 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.