The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-299-1476, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Pacific Electronic Enterprises Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-299-1476 |
| Primary Part Number | 583Z2520-1 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Pacific Electronic Enterprises Inc |
| Status | ACTIVE |
| Outer Covering Environmental Protection | FIRE RESISTANT |
| 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 |
|---|---|
| 583Z2520-1 | Pacific Electronic Enterprises Inc (USA) |
| 6879880 | Rolls-Royce Corporation (USA) |
| 20488916 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| B024H0114C105 | 3/2 Design control — primary reference U.S. Government activity |
| 20488916 | 5/9 Secondary reference Ullman Devices Corporation |
| 20488916 | 5/9 Secondary reference Eaton-Aeroquip Inc. |
NSN 4720-01-299-1476 is a Hose Assembly,nonmetallic, manufactured by Pacific Electronic Enterprises Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-299-1476 has 3 manufacturer part numbers on file: 583Z2520-1 (Pacific Electronic Enterprises Inc), 6879880 (Rolls-Royce Corporation), 20488916 (Smiths Tubular Systems-Laconia, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-621-2964. Verify interchangeability with system specifications before substitution.
Key specifications for 583Z2520-1: End Item Identification: T-56 ENGINE; Outer Covering Environmental Protection: FIRE RESISTANT. 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.