The Valve,safety Relief, cataloged under National Stock Number 4820-01-253-5553, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sullair Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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 | 4820-01-253-5553 |
| Primary Part Number | 249807 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Sullair Corp |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Series Designator | NPT ALL ENDS |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Adjustable Pressure Range | +25.0 TO 250.0 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Flow Control Device | POPPET |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 249807 PRIMARY | Sullair Corp (USA) |
| 95304 | Eaton Corporation Dba Air Controls Division Div Air Controls Division (USA) |
| 95304-04/140 | Amf Inc Amf Hatteras Div (USA) |
NSN 4820-01-253-5553 is a Valve,safety Relief, manufactured by Sullair Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-253-5553 has 3 cross-referenced part numbers: 249807 (Sullair Corp), 95304 (Eaton Corporation Dba Air Controls Division Div Air Controls Division), 95304-04/140 (Amf Inc Amf Hatteras Div).
There are 5 known substitutes for 4820-01-253-5553: 3030-01-076-0493, 6550-01-372-4476, 7045-01-454-3982 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 249807: Material: COPPER ALLOY BODY; Thread Direction: RIGHT-HAND ALL ENDS; Thread Series Designator: NPT ALL ENDS; Media for Which Designed: AIR SINGLE RESPONSE. 12 total characteristics are documented in the Federal Logistics Information System.