The Valve,check, cataloged under National Stock Number 4820-00-287-3097, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stockham Valves and Fittings Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 13 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 | 4820-00-287-3097 |
| Primary Part Number | B-319 SZ 1 1/4 IN |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Stockham Valves and Fittings Inc |
| Status | CANCELLED |
| Flow Control Device | DISK |
| Thread Quantity Per Inch | 11-1/2 FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Material Document and Classification | QQ-C-390,ALLOY B5/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | COPPER ALLOY 360 FLOW CONTROL DEVICE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY 836 BODY |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Nondefinitive Spec/std Data | 4 TYPE AND A CLASS |
| Nominal Thread Size | 1.250 INCHES ALL ENDS IN |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Maximum Operating Temp | 406.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C25A10 | Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA) |
| B305B1-1/4IN | Stockham Valves and Fittings Inc (USA) |
| 103-1-1-4 | Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA) |
| 92A | Jenkins Bros (USA) |
| B319 | Stockham Valves and Fittings Inc (USA) |
| C25A10 | Fairbanks Morse, Llc (USA) |
| 103 | Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA) |
| B-319 SZ 1 1/4 IN PRIMARY | Stockham Valves and Fittings Inc (USA) |
| 198 | Conbraco Industries Inc R-P and C Valve Div (USA) |
| 0001381 | Met-Pro Corporation (USA) |
| 87 | Scott Valve Mfg Co (USA) |
| FIG406 | The Walworth Company (USA) |
| 34 | Crane Co Div Valve Div (USA) |
| 13218E0478-106 | Cecom Lr Center (USA) |
| WWV51 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 13218E0478 | Cecom Lr Center (USA) |
| 0600 | Fairbanks Co the (USA) |
| B305B | Stockham Valves and Fittings Inc (USA) |
NSN 4820-00-287-3097 is a Valve,check, manufactured by Stockham Valves and Fittings Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-287-3097 has 18 cross-referenced part numbers: C25A10 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), B305B1-1/4IN (Stockham Valves and Fittings Inc), 103-1-1-4 (Kennedy Valve Div of Itt Grinnell Valve Co Inc), 92A (Jenkins Bros), B319 (Stockham Valves and Fittings Inc) and 13 more.
There are 12 known substitutes for 4820-00-287-3097: 6508-00-064-4176, 4730-00-202-7197, 4820-00-268-8780 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B-319 SZ 1 1/4 IN: Flow Control Device: DISK; Thread Quantity Per Inch: 11-1/2 FIRST END; Mounting Position: HORIZONTAL OR VERTICAL; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-287-3097 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.