The Float,valve, cataloged under National Stock Number 4820-01-441-1586, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pti Technologies Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-441-1586 |
| Primary Part Number | 2731706 |
| Item Name | Float,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| FSC Application Data | VALVE,CHECK |
| Special Test Features | PREVENTS REVERSE FLOW IF RECEPTACLE DOESN'T SHUTOFF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2731706 PRIMARY | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2731706 | 3/9 Design control — primary reference Vacco Industries |
| 2731706 | 5/9 Secondary reference Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
NSN 4820-01-441-1586 is a Float,valve, manufactured by Pti Technologies Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-441-1586 has 1 manufacturer part number on file: 2731706 (Pti Technologies Inc.).
Key specifications for 2731706: FSC Application Data: VALVE,CHECK; Special Test Features: PREVENTS REVERSE FLOW IF RECEPTACLE DOESN'T SHUTOFF; Special Features: USED IN AERIAL REFUELING DOORS; Part Name Assigned by Controlling Agency: FLAPPER ASSY. 2 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.
NSN 4820-01-441-1586 has DEMIL Code B. 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.