The Valve,check, cataloged under National Stock Number 4820-00-547-0420, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Essex Industries Inc Div Manufacturing Division. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-547-0420 |
| Primary Part Number | 0112960100-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Essex Industries Inc Div Manufacturing Division |
| Status | CANCELLED |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.313 INCHES FIRST END IN |
| Surface Treatment | ANODIZE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Series Designator | UNF FIRST END |
| Material | ALUMINUM ALLOY BODY |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | OXYGEN, GASEOUS SINGLE RESPONSE |
| Material | ALUMINUM ALLOY BODY LINING |
| Material | ALUMINUM ALLOY SEAT |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Valve Operation Method | AUTOMATIC |
| Material | ALUMINUM ALLOY STEM |
| Thread Direction | RIGHT-HAND FIRST END |
| Disk Loading Method | WEIGHT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12209-1 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| 9125 | American Safety Flight Systems Inc (USA) |
| 9125 | Conax Florida Corporation (USA) |
| 2-3712 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| MILV25513 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AAF711550 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| X1000 | Tanner Mfg a Co of Tannetics Inc (USA) |
| 12209-1 | Mission Systems Orchard Park Inc (USA) |
| 0112960100-1 PRIMARY | Essex Industries Inc Div Manufacturing Division (USA) |
NSN 4820-00-547-0420 is a Valve,check, manufactured by Essex Industries Inc Div Manufacturing Division, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-547-0420 has 9 cross-referenced part numbers: 12209-1 (Ingersoll-Rand Company Dba Ingersoll-Rand), 9125 (American Safety Flight Systems Inc), 9125 (Conax Florida Corporation), 2-3712 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), MILV25513 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.
There are 12 known substitutes for 4820-00-547-0420: 4920-00-068-0785, 5940-00-090-6600, 6660-00-149-9566 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 0112960100-1: Mounting Position: HORIZONTAL OR VERTICAL; Thread Class: 3A FIRST END A; Thread Quantity Per Inch: 20 FIRST END; Connection Style: FLARED (TUBE) FIRST END. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-547-0420 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.