The Valve,safety Relief, cataloged under National Stock Number 4820-00-446-3560, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Sea Systems Command. 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-446-3560 |
| Primary Part Number | AK29S49-24ALT3PC11 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Bonnet Type | INSIDE SCREW |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Thread Series Designator | NPT FIRST END |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Attachment Method | INTEGRAL |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Adjustable Pressure Range | +401.0 TO 600.0 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Thread Direction | RIGHT-HAND FIRST END |
| Material | COPPER ALLOY STEM |
| Connection Style | PLAIN (PIPE) FIRST END |
| Material | COPPER ALLOY SEAT |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Style Designator | STRAIGHT THRU |
| Nominal Pipe Size Accommodated | 0.375 INCHES FIRST END IN |
| Disk Loading Method | SPRING |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AK29S49-24ALT3PC11 PRIMARY | Naval Sea Systems Command (USA) |
| FIG 1768 3/8IN | Danco Valve Company (USA) |
| 61B | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 114972PC11 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| FIG 1768 3/8IN PRIMARY | Dante Valve Company (USA) |
| 114972PC11 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 61B | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| AK29S49-24ALT3PC11 | Naval Ship Systems Command (USA) |
| 1768 | Lunkenheimer Co (USA) |
NSN 4820-00-446-3560 is a Valve,safety Relief, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-446-3560 has 9 cross-referenced part numbers: AK29S49-24ALT3PC11 (Naval Sea Systems Command), FIG 1768 3/8IN (Danco Valve Company), 61B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 114972PC11 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), FIG 1768 3/8IN (Dante Valve Company) and 4 more.
There are 12 known substitutes for 4820-00-446-3560: 6685-00-061-4146, 3110-00-155-9618, 6240-00-269-0964 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AK29S49-24ALT3PC11: Flow Control Device: DISK; Bonnet Type: INSIDE SCREW; Connection Type: THREADED EXTERNAL PIPE FIRST END; Thread Series Designator: NPT FIRST END. 20 total characteristics are documented in the Federal Logistics Information System.