The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-123-8261, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 1 manufacturer, 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 | 4820-01-123-8261 |
| Primary Part Number | 51670 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| Thread Series Designator | UNEF ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Nominal Thread Size | 0.812 INCHES ALL ENDS IN |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Valve Operation Method | MANUAL |
| Material | COPPER ALLOY 464 BODY |
| Style Designator | ANGLE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 58330-3 ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 61020-TAB ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58330-41 ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58320-17 ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 25-4 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58320 ITEM 4 PART 51670 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58330-2 ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58320-24 ITEM 4 PART 51670 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58320-23 ITEM 4 PART 51670 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58330-20 ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58330-18 ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58320-4 ITEM 4 PART 51670 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58320-23-4 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58330-38 ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58330-9 ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58320-22-4 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58330-44-ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58330-37 ITEM 18 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58320-39-4 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 58320-6 ITEM 4 PART 51670 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
NSN 4820-01-123-8261 is a Valve,bleeder,hydraulic System, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-123-8261 has 22 cross-referenced part numbers: 58330-3 ITEM 18 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 61020-TAB ITEM 18 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 58330-41 ITEM 18 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 58320-17 ITEM 18 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 25-4 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson) and 17 more.
There are 8 known substitutes for 4820-01-123-8261: 5950-00-122-1732, 4320-00-143-5894, 5331-00-166-1066 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51670: Thread Series Designator: UNEF ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Media for Which Designed: AIR SINGLE RESPONSE; Nominal Thread Size: 0.812 INCHES ALL ENDS IN. 11 total characteristics are documented in the Federal Logistics Information System.