The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-177-9976, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hydrasearch Company, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Hydrasearch Company, Llc (CAGE 32142) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-177-9976 |
| Primary Part Number | S79B90400 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| S79B90400 PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| A3065-1 | 5/2 Secondary reference U.S. Government activity |
| 163176-1 | 5/9 Secondary reference Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| 163176 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 163176 | D/9 Drawing number reference only Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| A3065 | 5/9 Secondary reference U.S. Government activity |
| S79B90400 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 163176-1 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 109177 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
NSN 4720-01-177-9976 is a Hose Assembly,nonmetallic, manufactured by Hydrasearch Company, Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-177-9976 has 1 manufacturer part number on file: S79B90400 (Hydrasearch Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-370-3489. Verify interchangeability with system specifications before substitution.
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.