The Hose,nonmetallic, cataloged under National Stock Number 4720-01-522-4051, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Gulf Coast Holdings, Inc Dba Unidynamics. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-522-4051 |
| Primary Part Number | 15863400 FIND NO. 14 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Gulf Coast Holdings, Inc Dba Unidynamics |
| Status | ACTIVE |
| Measuring Method and Length | 30.000 FEET NOMINAL OVERALL FT |
| Minimum Inside Bending Radius | 3.500 INCHES IN |
| Layer Composition and Location | 1ST LAYER BRAIDED STEEL WIRE AND OUTER LAYER RUBBER COMPOSITION |
| Outside Diameter | 0.800 INCHES NOMINAL IN |
| Exterior Color | BLACK |
| Inside Diameter | 0.500 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 |
|---|---|
| 15863400 FIND NO. 14 | Gulf Coast Holdings, Inc Dba Unidynamics (USA) |
| 451TC-8-360 | Parker Hannifin Corp Hose Products Div (USA) |
| Reference | Meaning |
|---|---|
| 15863400 | D/9 Drawing number reference only Gulf Coast Holdings, Inc Dba Unidynamics |
| 451TC-8-360 | 5/9 Secondary reference U.S. Government activity |
| 387TC-8-360 | 3/2 Design control — primary reference U.S. Government activity |
| 451TC-8 | 5/1 Secondary reference Parker Hannifin Corp Hose Products Div |
NSN 4720-01-522-4051 is a Hose,nonmetallic, manufactured by Gulf Coast Holdings, Inc Dba Unidynamics, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-522-4051 has 2 manufacturer part numbers on file: 15863400 FIND NO. 14 (Gulf Coast Holdings, Inc Dba Unidynamics), 451TC-8-360 (Parker Hannifin Corp Hose Products Div).
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-522-4067, 4730-01-522-4138, 4730-01-522-4145. Verify interchangeability with system specifications before substitution.
Key specifications for 15863400 FIND NO. 14: Measuring Method and Length: 30.000 FEET NOMINAL OVERALL FT; Minimum Inside Bending Radius: 3.500 INCHES IN; Layer Composition and Location: 1ST LAYER BRAIDED STEEL WIRE AND OUTER LAYER RUBBER COMPOSITION; Outside Diameter: 0.800 INCHES NOMINAL IN. 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.