The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-197-6931, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Griswold Controls Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-197-6931 |
| Primary Part Number | 8544-KAGJ |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Griswold Controls Llc |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 9.750 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| Temp Rating | 400.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL PIPE |
| Thread Size and Series/type Designator | 1 1/2-11 1/2 NPT FIRST END |
| Valve Discharge Flow Rate | 23.3 GALLONS PER MINUTE AND 100.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| 8544-KAGJ PRIMARY | Griswold Controls Llc (USA) |
| Reference | Meaning |
|---|---|
| 8544 KAGJ | 5/1 Secondary reference Flow Group Ltd |
NSN 4820-01-197-6931 is a Valve,calibrated Flow, manufactured by Griswold Controls Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-197-6931 has 1 manufacturer part number on file: 8544-KAGJ (Griswold Controls Llc).
Key specifications for 8544-KAGJ: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; Face to Face Distance: 9.750 INCHES NOMINAL IN. 11 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.
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.