The Valve,check, cataloged under National Stock Number 4820-01-388-9819, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-388-9819 |
| Primary Part Number | 3202426-1-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 3202426-1-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3202426-1-1 | 5/9 Secondary reference U.S. Government activity |
| 17B2N4005-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4820-01-388-9819 is a Valve,check, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-388-9819 has 1 manufacturer part number on file: 3202426-1-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3202426-1-1: Flow Control Device: DISK; Style Designator: STRAIGHT THRU; Special Features: OUTSIDE DIAMETER 6.440 IN. MAX (APPROX): LENGTH-4,740 IN. MIN TO 4.760 IN. MAX; MAX NORMAL INLET PRESSURE 109PSIG AT 630 DEG F; MAX NORMAL INLET TEMPERATURE 655 DEG F AT 95 PSIA; AMBIENT PRESSURE 1.0 TO 15.5 PSIA; AMBIENT TEMPERATURE RANGE 0 DEG TO 450 DEG F (NORMAL); AMBIENT TEMPERATURE RANGE MINUS 77 DEG TO 450 DEG F (INTERMITTENT) IN; End Item Identification: ACFT, TYPE C-17A A. 3 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 4820-01-388-9819 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.