The Valve,gate, cataloged under National Stock Number 4820-00-939-7931, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-939-7931 |
| Primary Part Number | MILV18110L1 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| Bonnet Attachment Method | BOLTED |
| Nominal Pipe Size Accommodated | 1.500 INCHES IN |
| Departure From Cited Designator | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Nondefinitive Spec/std Data | D COMPOSITION AND 1500 RATING |
| Material | STEEL AND COBALT ALLOY DISK |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Material | STEEL COMP 1010 BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Features Provided | BONNET PACKING |
| Valve Size | 1.500 INCHES IN |
| Connection Type | SOCKET, WELD, PIPE |
| Material | COBALT ALLOY SEAT |
| Inlet Relationship with Outlet | IDENTICAL |
| Criticality Code Justification | ZZZX |
| Stem Type | RISING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILV18110L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| MILV18110 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 51504 ITEM 1 | Velan Valve Corp. (USA) |
| W7-354B-2TSL1 | Velan Valve Corp. (USA) |
NSN 4820-00-939-7931 is a Valve,gate, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-939-7931 has 4 cross-referenced part numbers: MILV18110L1 (Naval Inventory Control Point Mechanicsburg), MILV18110 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 51504 ITEM 1 (Velan Valve Corp.), W7-354B-2TSL1 (Velan Valve Corp.).
There are 7 known substitutes for 4820-00-939-7931: 4820-00-085-2363, 4820-00-152-9654, 4820-00-862-5033 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILV18110L1: Valve Operation Method: MANUAL; Bonnet Attachment Method: BOLTED; Special Features: QUALITY CONTROLLED IN ACCORDANCE W/NAVY LEVEL 1 ASSURANCE GUIDE; Nominal Pipe Size Accommodated: 1.500 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.