The Stem,fluid Valve, cataloged under National Stock Number 4810-01-691-1665, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is John G Papailias Co Inc Dba J G Papailias. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | John G Papailias Co Inc Dba J G Papailias (CAGE 1Z740) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-691-1665 |
| Primary Part Number | B749 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | John G Papailias Co Inc Dba J G Papailias |
| 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 |
|---|---|
| B749 PRIMARY | John G Papailias Co Inc Dba J G Papailias (USA) |
| Reference | Meaning |
|---|---|
| 202 REV D | D/9 Drawing number reference only John G Papailias Co Inc Dba J G Papailias |
| 202 REV D SYM 16 | C/1 Advisory reference — outside the item-of-supply concept John G Papailias Co Inc Dba J G Papailias |
NSN 4810-01-691-1665 is a Stem,fluid Valve, manufactured by John G Papailias Co Inc Dba J G Papailias, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-691-1665 has 1 manufacturer part number on file: B749 (John G Papailias Co Inc Dba J G Papailias).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-691-4008. 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.