The Valve,stop-Check, cataloged under National Stock Number 4820-01-275-4160, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-275-4160 |
| Primary Part Number | 2645 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Bonnet Attachment Method | BOLTED |
| Valve Operation Method | MANUAL |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Bolt Hole Quantity | 8 ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Face to Face Distance | 8.000 INCHES IN |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bolt Circle Nominal Diameter | 6.000 INCHES ALL ENDS IN |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B67 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Flow Control Device | DISK |
| Flange Face Design | PLAIN ALL ENDS |
| Nominal Thickness | 0.562 INCHES ALL ENDS IN |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Valve Size | 2.500 INCHES IN |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Bolt Hole Nominal Diameter | 0.812 INCHES ALL ENDS IN |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL;THE CURRENT APPROVED SOURCES,30263 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984,THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTSO MATERIAL AFTER 1984 |
| Nominal Outside Diameter | 7.000 INCHES ALL ENDS IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2645 PRIMARY | Hunt Valve Company, Inc. (USA) |
| B-1221-E 2.50IN | Pima Valve, Llc (USA) |
NSN 4820-01-275-4160 is a Valve,stop-Check, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-275-4160 has 2 cross-referenced part numbers: 2645 (Hunt Valve Company, Inc.), B-1221-E 2.50IN (Pima Valve, Llc).
There are 8 known substitutes for 4820-01-275-4160: 4310-00-173-5407, 9540-00-197-9865, 4820-00-482-5782 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2645: Bonnet Attachment Method: BOLTED; Valve Operation Method: MANUAL; Mounting Position: HORIZONTAL OR VERTICAL; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT. 25 total characteristics are documented in the Federal Logistics Information System.