The Valve,saddle, cataloged under National Stock Number 4820-00-128-9797, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is United Refrigeration, Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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 | 4820-00-128-9797 |
| Primary Part Number | BPV21 |
| Item Name | Valve,saddle |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | United Refrigeration, Inc |
| Status | ACTIVE |
| Seat Angle | 45.0 DEGREES ALL ENDS |
| Valve Operation Method | MANUAL |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Thread Series Designator | UNF ALL ENDS |
| Style Designator | ANGLE PLAIN STRAP TYPE LINE PIERCING |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM BODY |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Furnished Items and Quantity | 1 REDUCER |
| Flow Control Device | NEEDLE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-128-9797 is a Valve,saddle, manufactured by United Refrigeration, Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-128-9797 has 4 cross-referenced part numbers: BPV21 (United Refrigeration, Inc), AP-2 (Oasis Construction Div Supply Nurses), 1469 (Alter Harry Co the Div of T E C), AP-2 (United Refrigeration, Inc).
There are 8 known substitutes for 4820-00-128-9797: 6625-00-171-8985, 6930-00-514-0271, 4320-00-653-0026 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for BPV21: Seat Angle: 45.0 DEGREES ALL ENDS; Valve Operation Method: MANUAL; Nominal Thread Size: 0.438 INCHES ALL ENDS IN; Thread Series Designator: UNF ALL ENDS. 12 total characteristics are documented in the Federal Logistics Information System.