The Hose,nonmetallic, cataloged under National Stock Number 4720-01-278-8656, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-278-8656 |
| Primary Part Number | 6169976-19 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUND |
| 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 |
|---|---|
| 6169976-19 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 6169976 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rotary and Mission Systems |
| 6169976-19 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4720-01-278-8656 is a Hose,nonmetallic, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-278-8656 has 1 manufacturer part number on file: 6169976-19 (Lockheed Martin Corporation Div Rotary and Mission Systems).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-278-8657, 4720-01-279-4508, 4720-01-279-4509. Verify interchangeability with system specifications before substitution.
Key specifications for 6169976-19: Cross-Sectional Shape Style: ROUND; Special Features: SLEEVE ATTACHED 2.000 IN. FROM END IN; End Item Identification: MARTIN MARIETTA CORP VERTICAL LAUNCHER MARK 41,MOD O. 1 specification is 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.