The Nrp,hose Assy,drain, cataloged under National Stock Number 1680-01-661-8840, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Insitu, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Nrp,hose Assy,drain |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Insitu, Inc. (CAGE 02FP7) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-661-8840 |
| Primary Part Number | 002-000543-000 |
| Item Name | Nrp,hose Assy,drain |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Insitu, 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 | V |
| Part Number | Manufacturer |
|---|---|
| 002-000543-000 PRIMARY | Insitu, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1680PL1906028 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1680-01-661-8840 is a Nrp,hose Assy,drain, manufactured by Insitu, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-661-8840 has 1 manufacturer part number on file: 002-000543-000 (Insitu, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-668-8383. Verify interchangeability with system specifications before substitution.
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.