The Valve,expansion, cataloged under National Stock Number 4820-00-548-2858, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corp Div Sporlan Division. Government technical data includes 27 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-548-2858 |
| Primary Part Number | GF 1/2 |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| Mounting Method | CLAMP BULB |
| Valve Equalizer Location | INTERNAL |
| Material | COPPER ALLOY BODY |
| Second End Thread Direction | RIGHT-HAND |
| Media for Which Designed | REFRIGERANT 12 |
| First End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Bulb Length | 3.500 INCHES NOMINAL IN |
| Second End Style Designator | FLARED |
| Second End Thread Class | 3A A |
| Bulb Diameter | 0.500 INCHES NOMINAL IN |
| Second End Seat Angle in Deg | 37.0 |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| Furnished Items | LINE STRAP AND BOLT AND NUT |
| Bulb Media Type | REFRIGERANT 12 |
| Capillary Tube Length | 60.000 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Outside Diameter Tube Accommodated | 0.375 INCHES NOMINAL IN |
| Refrigeration Capacity in Btu Per Hour | 6.0 |
| First End Seat Angle in Deg | 37.0 |
| First End Style Designator | FLARED |
| Body Style | ANGLE GIVE "ADQM" OR "ADQN" IF FLANGED ONE OR TWO ENDS |
| Second End Relationship with First End | NOT IDENTICAL |
| End Connection Quantity | 2 |
| First End Thread Class | 3A A |
| Valve Expansion Control Type | THERMOSTATIC |
| Surface Treatment | PAINT OUTSIDE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-548-2858 is a Valve,expansion, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-548-2858 has 2 cross-referenced part numbers: GF 1/2 (Parker-Hannifin Corp Div Sporlan Division), 673R502 (Webber Manufacturing Company Inc).
There is 1 known substitute for 4820-00-548-2858: 2910-00-945-2318. Verify interchangeability with system specifications before substitution.
Key specifications for GF 1/2: Mounting Method: CLAMP BULB; Valve Equalizer Location: INTERNAL; Material: COPPER ALLOY BODY; Special Features: 3/64 IN. ORIFICE SIZE IN. 28 total characteristics are documented in the Federal Logistics Information System.