The Guard,hose-Tubing, cataloged under National Stock Number 4720-01-522-1885, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Epha Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-522-1885 |
| Primary Part Number | HP6-B |
| Item Name | Guard,hose-Tubing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Epha Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| HP6-B PRIMARY | Epha Inc (USA) |
| Reference | Meaning |
|---|---|
| 3117509 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 12601155 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 3117509 | 5/9 Secondary reference Oshkosh Corp |
| 12532101-002 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4720-01-522-1885 is a Guard,hose-Tubing, manufactured by Epha Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-522-1885 has 1 manufacturer part number on file: HP6-B (Epha Inc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-617-2427. Verify interchangeability with system specifications before substitution.
Key specifications for HP6-B: Part Name Assigned by Controlling Agency: PROTECTOR,HOSE 6" BLK; End Item Identification: 2320-01-522-2260; MRAP - M-ATV UI. 0 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.