The Valve,check, cataloged under National Stock Number 4820-01-463-1084, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Apco/valve & Primer Corp. Government technical data includes 13 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-463-1084 |
| Primary Part Number | 103.801 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Apco/valve & Primer Corp |
| Status | ACTIVE |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| Flow Control Device | DISK |
| Bolt Hole Quantity | 4 ALL ENDS |
| Style Designator | CROSS FLANGED ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Valve Size | 3.000 INCHES IN |
| Nominal Thickness | 0.750 INCHES ALL ENDS IN |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Nominal Outside Diameter | 7.500 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Face to Face Distance | 9.500 INCHES IN |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-463-1084 is a Valve,check, manufactured by Apco/valve & Primer Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-463-1084 has 2 cross-referenced part numbers: 103.801 (Apco/valve & Primer Corp), 103.801 (Emeri-Crete Inc).
There are 9 known substitutes for 4820-01-463-1084: 4810-00-048-3527, 4730-00-673-4662, 5826-00-832-2172 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 103.801: Media for Which Designed: LIQUID SINGLE RESPONSE; Flow Control Device: DISK; Bolt Hole Quantity: 4 ALL ENDS; Style Designator: CROSS FLANGED ENDS. 13 total characteristics are documented in the Federal Logistics Information System.