The Valve,stop-Check, cataloged under National Stock Number 4820-01-017-1200, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-017-1200 |
| Primary Part Number | MILV17737 TYPE |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Material | NICKEL ALLOY STEM |
| Style Designator | STRAIGHT THRU |
| Material | NICKEL ALLOY OR COBALT ALLOY FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY BODY |
| Features Provided | BONNET PACKING |
| Valve Operation Method | MANUAL |
| Connection Type | FLANGE ALL ENDS |
| Material | COBALT ALLOY SEAT |
| Nominal Outside Diameter | 7.000 INCHES ALL ENDS IN |
| Nondefinitive Spec/std Data | VII TYPE |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Raised Face Nominal Height | 0.250 INCHES ALL ENDS IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Flow Control Device | DISK |
| Bolt Hole Quantity | 4 ALL ENDS |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Bolt Hole Nominal Diameter | 1.125 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 4.875 INCHES ALL ENDS IN |
| Bonnet Attachment Method | BOLTED |
| Specification/standard Data | 81349-DOD-V-24675 GOVERNMENT SPECIFICATION |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Nominal Thickness | 1.250 INCHES ALL ENDS IN |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Face to Face Distance | 12.000 INCHES IN |
| Raised Face Nominal Diameter | 2.875 INCHES FIRST END IN |
| Mounting Position | HORIZONTAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILV17737 TYPE | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| D1829-1 1-2IN G | P J Valves Inc (USA) |
| D1829-1 1-2INGLBSTP CHK | P J Valves Inc (USA) |
| CS4820-0102 TYPE V11 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| D1829-1 1-2INGL | P J Valves Inc (USA) |
| D1829 | P J Valves Inc (USA) |
| B911013-ASSY | Quality Assured Products Inc Dba Qa Products Inc (USA) |
| DOD-V-24675 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| CS4820-0102 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
NSN 4820-01-017-1200 is a Valve,stop-Check, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-017-1200 has 9 cross-referenced part numbers: MILV17737 TYPE (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), D1829-1 1-2IN G (P J Valves Inc), D1829-1 1-2INGLBSTP CHK (P J Valves Inc), CS4820-0102 TYPE V11 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), D1829-1 1-2INGL (P J Valves Inc) and 4 more.
There are 6 known substitutes for 4820-01-017-1200: 4820-01-017-2600, 4820-01-021-4618, 4820-01-032-5696 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILV17737 TYPE: Material: NICKEL ALLOY STEM; Style Designator: STRAIGHT THRU; Material: NICKEL ALLOY OR COBALT ALLOY FLOW CONTROL DEVICE; Material: NICKEL ALLOY BODY. 26 total characteristics are documented in the Federal Logistics Information System.