The Valve,diaphragm,stop, cataloged under National Stock Number 4820-00-940-8105, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Superior Valve Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-940-8105 |
| Primary Part Number | 5939X4 |
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Superior Valve Co |
| Status | CANCELLED |
| Bonnet Type | INSIDE SCREW |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Valve Operation Method | MANUAL |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Pipe Size Accommodated | 0.125 INCHES FIRST END IN |
| Bonnet Attachment Method | PRESSURE SEAL, RING TYPE |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Thread Series Designator | NPT FIRST END |
| Material | COPPER ALLOY BODY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8286-1 | Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA) |
| 5939X4 PRIMARY | Superior Valve Co (USA) |
| VAL575 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| D4524-6847 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| 13214E3692 | Cecom Lr Center (USA) |
| D4524-7131 | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| 54653 | Keco Industries, Inc. (USA) |
NSN 4820-00-940-8105 is a Valve,diaphragm,stop, manufactured by Superior Valve Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-940-8105 has 7 cross-referenced part numbers: 8286-1 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), 5939X4 (Superior Valve Co), VAL575 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), D4524-6847 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), 13214E3692 (Cecom Lr Center) and 2 more.
There are 7 known substitutes for 4820-00-940-8105: 5360-00-412-6659, 1680-00-942-1465, 1660-01-003-8352 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5939X4: Bonnet Type: INSIDE SCREW; Style Designator: STRAIGHT THRU; Nominal Thread Size: 0.125 INCHES FIRST END IN; Valve Operation Method: MANUAL. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-940-8105 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.