The Valve,check, cataloged under National Stock Number 4820-01-049-2914, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crissair Inc Div Esco Technologies. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-049-2914 |
| Primary Part Number | A2612 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crissair Inc Div Esco Technologies |
| Status | ACTIVE |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Mounting Position | HORIZONTAL |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Flow Control Device | POPPET |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Class | 3A FIRST END A |
| Valve Operation Method | AUTOMATIC |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material | ALUMINUM ALLOY 2024 BODY |
| Surface Treatment | ANODIZE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4C3212-12 | Crissair Inc Div Esco Technologies (USA) |
| 4C3212 | Crissair Inc Div Esco Technologies (USA) |
| C7907-12 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| M4012-16 | Ausco Inc (USA) |
| A2612 PRIMARY | Crissair Inc Div Esco Technologies (USA) |
| 4C3121 | Crissair Inc Div Esco Technologies (USA) |
NSN 4820-01-049-2914 is a Valve,check, manufactured by Crissair Inc Div Esco Technologies, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-049-2914 has 6 cross-referenced part numbers: 4C3212-12 (Crissair Inc Div Esco Technologies), 4C3212 (Crissair Inc Div Esco Technologies), C7907-12 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), M4012-16 (Ausco Inc), A2612 (Crissair Inc Div Esco Technologies) and 1 more.
There are 5 known substitutes for 4820-01-049-2914: 4730-00-080-9644, 2990-00-477-6143, 2920-00-692-6982 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for A2612: Media for Which Designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE; Mounting Position: HORIZONTAL; Nominal Thread Size: 1.312 INCHES FIRST END IN; Thread Series Designator: UNIFIED NATIONAL JOINT (UNJ) FIRST END. 16 total characteristics are documented in the Federal Logistics Information System.