The Valve,safety Relief, cataloged under National Stock Number 4820-01-694-1757, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-694-1757 |
| Primary Part Number | 40820-208 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Connection Type | FLANGE ALL ENDS |
| Material | TIN ALLOY AND COPPER ALLOY BODY |
| Material Document and Classification | ASTM B61 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | STRAIGHT THRU W/OFFSET FLANGED ENDS |
| Flange Shape | ROUND ALL ENDS |
| Valve Size | 2.50 INCHES IN |
| Valve Operation Method | AUTOMATIC |
| Flow Control Device | STEM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40820-208 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40820-2 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40820-2 P/N 40820-208 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-694-1757 is a Valve,safety Relief, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-694-1757 has 3 cross-referenced part numbers: 40820-208 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40820-2 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40820-2 P/N 40820-208 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 3 known substitutes for 4820-01-694-1757: 4820-01-694-1756, 4820-01-694-2556, 4820-01-694-2992. Verify interchangeability with system specifications before substitution.
Key specifications for 40820-208: Connection Type: FLANGE ALL ENDS; Material: TIN ALLOY AND COPPER ALLOY BODY; Material Document and Classification: ASTM B61 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BODY; Part Name Assigned by Controlling Agency: PRESSURE REDUCING VALVE. 11 total characteristics are documented in the Federal Logistics Information System.