The Hose,preformed, cataloged under National Stock Number 4720-00-404-2973, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-404-2973 |
| Primary Part Number | 8HS992 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Style Designator | STRAIGHT |
| Wall Thickness | 0.250 INCHES NOMINAL IN |
| Inside Diameter | 4.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC COVER |
| Material | RUBBER SYNTHETIC OVERALL |
| Bend Radius | 3.750 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN |
| Second Arm Length | 3.000 INCHES MINIMUM AND 3.750 INCHES MAXIMUM IN |
| Working Length | 6.000 INCHES NOMINAL IN |
| First Arm Length | 3.000 INCHES MINIMUM AND 3.750 INCHES MAXIMUM 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 |
|---|---|
| 8HS992 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 8HS992 | 5/9 Secondary reference Oshkosh Corp |
| 23998-FX | 5/9 Secondary reference Oshkosh Corp |
| 23998F | 5/9 Secondary reference Oshkosh Corp |
NSN 4720-00-404-2973 is a Hose,preformed, manufactured by Oshkosh Defense Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-404-2973 has 1 manufacturer part number on file: 8HS992 (Oshkosh Defense Llc).
Key specifications for 8HS992: Style Designator: STRAIGHT; Wall Thickness: 0.250 INCHES NOMINAL IN; Inside Diameter: 4.000 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC COVER. 9 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.