The Valve,restrictor Check, cataloged under National Stock Number 4820-00-153-7358, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-153-7358 |
| Primary Part Number | 95747-49 |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc |
| Status | ACTIVE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 95747-49 PRIMARY | Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc (USA) |
| Reference | Meaning |
|---|---|
| 20GX | 5/9 Secondary reference Eaton Corp Controls Div |
| 20GX 1IN NPT | C/1 Advisory reference — outside the item-of-supply concept Eaton Corp Controls Div |
| 11241418-9 | 5/9 Secondary reference Ballistic Missile Defense Systems Command |
NSN 4820-00-153-7358 is a Valve,restrictor Check, manufactured by Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-153-7358 has 1 manufacturer part number on file: 95747-49 (Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc).
Key specifications for 95747-49: Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Mounting Position: HORIZONTAL; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 12 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.