The Valve,safety Relief, cataloged under National Stock Number 4820-01-565-4792, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Armstrong International Inc Dba Armstrong Machine Works. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-565-4792 |
| Primary Part Number | 11AV20178 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Armstrong International Inc Dba Armstrong Machine Works |
| Status | ACTIVE |
| Supplementary Features | INLET END FEMALE 3/4 INCH BSPT/NPT, DISCHARGE END 1/2 INCH FEMALE BSPT/NPT; WEIGHT 1.750 LB LBS |
| Valve Operation Method | AIR |
| Style Designator | SCREW-IN CARTRIDGE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 121PA1700-107 | Holmwood Highgate (aust) Pty Ltd (AUS) |
| 11AV20178 PRIMARY | Armstrong International Inc Dba Armstrong Machine Works (USA) |
| 8484 | Liquip International Pty Ltd (AUS) |
| 69.MD000-1649 | Rheinmetall Man Military Vehicles Australia Pty Ltd (AUS) |
NSN 4820-01-565-4792 is a Valve,safety Relief, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-565-4792 has 4 cross-referenced part numbers: 121PA1700-107 (Holmwood Highgate (aust) Pty Ltd), 11AV20178 (Armstrong International Inc Dba Armstrong Machine Works), 8484 (Liquip International Pty Ltd), 69.MD000-1649 (Rheinmetall Man Military Vehicles Australia Pty Ltd).
There are 9 known substitutes for 4820-01-565-4792: 6250-00-230-0921, 4820-00-461-6192, 5365-01-004-9787 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 11AV20178: Special Features: VALVE AND SEAT 44 STAINLESS STEEL; MATERAIL 1304 STAINLESS STEEL; 7.250 IN. L, 2.750 IN. DIAMETER IN; Supplementary Features: INLET END FEMALE 3/4 INCH BSPT/NPT, DISCHARGE END 1/2 INCH FEMALE BSPT/NPT; WEIGHT 1.750 LB LBS; Part Name Assigned by Controlling Agency: FREE FLOATING LEVER AIR/GAS VENT; Valve Operation Method: AIR. 7 total characteristics are documented in the Federal Logistics Information System.