The Cap,valve Assembly, cataloged under National Stock Number 1680-01-178-6274, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Hymatic Engineering Company Limited T/a Honeywell Hymatic. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-178-6274 |
| Primary Part Number | A-RH-040001-01 |
| Item Name | Cap,valve Assembly |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Hymatic Engineering Company Limited T/a Honeywell Hymatic |
| Status | ACTIVE |
| General Characteristics Item Description | 0.435 IN. NOM OD; 0.360 IN. MIN,0.365 IN. MAX ID; 0.235 IN. MIN,0.240 IN. MAX O/A H; FOUR 0.063 IN. DIA HOLES ON 0.250 IN. CIRCLE DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A-RH-040001-01 PRIMARY | The Hymatic Engineering Company Limited T/a Honeywell Hymatic (GBR) |
NSN 1680-01-178-6274 is a Cap,valve Assembly, manufactured by The Hymatic Engineering Company Limited T/a Honeywell Hymatic, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-178-6274 has 1 manufacturer part number on file: A-RH-040001-01 (The Hymatic Engineering Company Limited T/a Honeywell Hymatic).
Key specifications for A-RH-040001-01: General Characteristics Item Description: 0.435 IN. NOM OD; 0.360 IN. MIN,0.365 IN. MAX ID; 0.235 IN. MIN,0.240 IN. MAX O/A H; FOUR 0.063 IN. DIA HOLES ON 0.250 IN. CIRCLE DIA IN; End Item Identification: ACFT MODEL AV-8. 1 specification is 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.
NSN 1680-01-178-6274 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.