The Stem,float Switch, cataloged under National Stock Number 4820-01-151-7065, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-151-7065 |
| Item Name | Stem,float Switch |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM SHAPED W/STRAIGHT SECTION 2.000 IN. LG W/TW0 1.500 IN. RADII BENDS,SEPERATED BY ONE 1.000 IN. STRAIGHT SECTION BETWEEN BENT SHAPE,AMOUNT OF MATERIAL BEFORE SHAPING,APPROXIMATELY 12.000 IN.; 1.500 IN. AT EXTREME END TO BE CUT OFF; BOTH ENDS SMOOTH,0.031 IN. BY 45 DEG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 66504 | 5/9 Secondary reference Peabody Barnes Inc |
| 066504 | 3/2 Design control — primary reference U.S. Government activity |
| 66504 | C/1 Advisory reference — outside the item-of-supply concept Air Techniques, Inc. |
| 66504 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-151-7065 is a Stem,float Switch, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4330-01-186-4784. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-151-7065: General Characteristics Item Description: ITEM SHAPED W/STRAIGHT SECTION 2.000 IN. LG W/TW0 1.500 IN. RADII BENDS,SEPERATED BY ONE 1.000 IN. STRAIGHT SECTION BETWEEN BENT SHAPE,AMOUNT OF MATERIAL BEFORE SHAPING,APPROXIMATELY 12.000 IN.; 1.500 IN. AT EXTREME END TO BE CUT OFF; BOTH ENDS SMOOTH,0.031 IN. BY 45 DEG IN; End Item Identification: PEABODY BARNES INC,LIQUID LEVEL FLOAT SWITCH,MODEL NO. 66511SA. 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.
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.