The Hose,preformed, cataloged under National Stock Number 4720-01-046-2000, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Viking Incorporated Dba Viking Inc. Government technical data includes 10 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-046-2000 |
| Primary Part Number | 199374A |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Viking Incorporated Dba Viking Inc |
| Status | ACTIVE |
| Style Designator | SINGLE BEND |
| Material Document and Classification | SAE J20D,20R4,CLASS R,GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE COVER |
| Wall Thickness | 0.188 INCHES NOMINAL IN |
| Inside Diameter | 1.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC COVER |
| Material | RUBBER SYNTHETIC OVERALL |
| Bend Radius | 1.250 INCHES NOMINAL IN |
| Second Arm Length | 3.875 INCHES NOMINAL IN |
| Working Length | 4.000 INCHES NOMINAL IN |
| First Arm Length | 0.875 INCHES NOMINAL IN |
| 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 |
|---|---|
| 199374A PRIMARY | Viking Incorporated Dba Viking Inc (USA) |
| Reference | Meaning |
|---|---|
| 199374 | D/9 Drawing number reference only Viking Incorporated Dba Viking Inc |
| 199374D | 5/9 Secondary reference Dresser, Llc |
| 199374A | 3/9 Design control — primary reference Dresser, Llc |
| 199374 | 5/9 Secondary reference Dresser, Llc |
NSN 4720-01-046-2000 is a Hose,preformed, manufactured by Viking Incorporated Dba Viking Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-046-2000 has 1 manufacturer part number on file: 199374A (Viking Incorporated Dba Viking Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-425-2973, 5930-01-513-4483. Verify interchangeability with system specifications before substitution.
Key specifications for 199374A: Style Designator: SINGLE BEND; Material Document and Classification: SAE J20D,20R4,CLASS R,GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE COVER; Wall Thickness: 0.188 INCHES NOMINAL IN; Inside Diameter: 1.000 INCHES NOMINAL IN. 10 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.