The Valve,check, cataloged under National Stock Number 4820-01-447-9206, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Itt Grinnell Valve Co Inc Henze Service Div. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-447-9206 |
| Primary Part Number | 3600 1/2IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Itt Grinnell Valve Co Inc Henze Service Div |
| Status | ACTIVE |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 3600 1/2IN PRIMARY | Itt Grinnell Valve Co Inc Henze Service Div (USA) |
| PL-1167-00-C ITEM 53 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| Reference | Meaning |
|---|---|
| 3600 | C/1 Advisory reference — outside the item-of-supply concept Itt Grinnell Valve Co Inc Henze Service Div |
| 1167-00-C | D/9 Drawing number reference only Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
NSN 4820-01-447-9206 is a Valve,check, manufactured by Itt Grinnell Valve Co Inc Henze Service Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-447-9206 has 2 manufacturer part numbers on file: 3600 1/2IN (Itt Grinnell Valve Co Inc Henze Service Div), PL-1167-00-C ITEM 53 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 3600 1/2IN: Nominal Thread Size: 0.500 INCHES ALL ENDS IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Valve Operation Method: AUTOMATIC. 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.
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.