The Stop,check Valve, cataloged under National Stock Number 4820-01-252-6218, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-252-6218 |
| Primary Part Number | 683792-1 |
| Item Name | Stop,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,6061-T4,QQ-A-327; 2.100 MIN 2.160 MAX IN. O/A LG,0.032 IN. THK MATERIAL (APPROX),WITH TWO 0.158 MIN 0.163 MAX IN. DIA HOLES THRU DIMPLE NEAR SIDE,1.900 MIN 1.960 MAX IN. WIDEST DISTANCE BETWEEN PARALLEL SIDES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-252-6218 is a Stop,check Valve, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-252-6218 has 2 manufacturer part numbers on file: 683792-1 (Honeywell International Inc. Div Aerospace - Torrance), 683792 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 683792-1: General Characteristics Item Description: ALUMINUM ALLOY,6061-T4,QQ-A-327; 2.100 MIN 2.160 MAX IN. O/A LG,0.032 IN. THK MATERIAL (APPROX),WITH TWO 0.158 MIN 0.163 MAX IN. DIA HOLES THRU DIMPLE NEAR SIDE,1.900 MIN 1.960 MAX IN. WIDEST DISTANCE BETWEEN PARALLEL SIDES IN. 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.