The Valve,check, cataloged under National Stock Number 4820-00-288-6678, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-288-6678 |
| Primary Part Number | 514-001-3/4IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | CANCELLED |
| Valve Operation Method | AUTOMATIC |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 406.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Disk Loading Method | WEIGHT |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Material Document and Classification | ASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Flow Control Device | DISK |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILV18436 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 509-3-4 CID882037120 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| B-319 3/4IN | Stockham Valves and Fittings Inc (USA) |
| B-319 0.75IN | Stockham Valves and Fittings Inc (USA) |
| 509-002-3/4IN | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 198 | Conbraco Industries Inc R-P and C Valve Div (USA) |
| 2V352 | Kersey / American Lafrance a Div of Figgie International Inc (USA) |
| MIL-DTL-18436 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| B-319 SZ 3/4 IN | Stockham Valves and Fittings Inc (USA) |
| 103 | Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA) |
| 461E | Wolverine Brass Inc (USA) |
| B2251-4 | Ajax Magnethermec Corp Lectrodryer Div (USA) |
| 514-001-3/4IN PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 03-4048 | Bacharach, Inc. (USA) |
| B319-3-4IN | Stockham Valves and Fittings Inc (USA) |
| 87 | Scott Valve Mfg Co (USA) |
| B319 | Stockham Valves and Fittings Inc (USA) |
| FIG134 | Lunkenheimer Co (USA) |
| 514-001-3/4INCID882039252 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 0600 | Fairbanks Co the (USA) |
NSN 4820-00-288-6678 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-288-6678 has 23 cross-referenced part numbers: MILV18436 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 509-3-4 CID882037120 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), B-319 3/4IN (Stockham Valves and Fittings Inc), B-319 0.75IN (Stockham Valves and Fittings Inc), 509-002-3/4IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc) and 18 more.
There are 12 known substitutes for 4820-00-288-6678: 6508-00-064-4176, 6510-00-111-0708, 5970-00-175-2736 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 514-001-3/4IN: Valve Operation Method: AUTOMATIC; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-288-6678 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.