The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-245-9129, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Alter Harry Co the Div of T E C. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-245-9129 |
| Primary Part Number | 32142 |
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Alter Harry Co the Div of T E C |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | MANUAL |
| Style Designator | STRAIGHT THRU |
| Thread Class | 2A ALL ENDS A |
| Seat Angle | 45.0 DEGREES ALL ENDS |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Mounting Facility | BRACKET(S) |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Media for Which Designed | REFRIGERANT 22 SECOND RESPONSE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Media for Which Designed | REFRIGERANT 12 FIRST RESPONSE |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Thread Series Designator | UNF ALL ENDS |
| Media for Which Designed | REFRIGERANT R-502 THIRD RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-245-9129 is a Valve,diaphragm,stop, manufactured by Alter Harry Co the Div of T E C, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-245-9129 has 2 cross-referenced part numbers: 32142 (Alter Harry Co the Div of T E C), A-14836 (Mph Industries, Inc Dba Mph Industries, Inc of Kentucky).
There are 8 known substitutes for 4820-01-245-9129: 5355-00-421-5384, 2540-00-431-6314, 4130-00-778-6469 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 32142: Material: COPPER ALLOY BODY; Valve Operation Method: MANUAL; Style Designator: STRAIGHT THRU; Thread Class: 2A ALL ENDS A. 15 total characteristics are documented in the Federal Logistics Information System.