The Valve,check, cataloged under National Stock Number 4820-01-103-3260, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-103-3260 |
| Primary Part Number | 842-504060-331 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Mounting Facility | BRACKET(S) |
| Valve Size | 0.500 INCHES IN |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Hole Quantity | 4 ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | ASTM A351,GRADE CF8M ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Position | HORIZONTAL |
| Nominal Outside Diameter | 3.750 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 2.625 INCHES ALL ENDS IN |
| Face to Face Distance | 6.500 INCHES IN |
| Bolt Hole Nominal Diameter | 0.625 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Furnished Items and Quantity | 1 NUT |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nominal Thickness | 0.875 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NS-4029 ASSEMBLY 6A 1/2IN | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NS-4029 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| 842-504060-331 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NS-4029 | National Oilwell (USA) |
| 842-504060-331 | National Oilwell (USA) |
NSN 4820-01-103-3260 is a Valve,check, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-103-3260 has 5 cross-referenced part numbers: NS-4029 ASSEMBLY 6A 1/2IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NS-4029 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 842-504060-331 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NS-4029 (National Oilwell), 842-504060-331 (National Oilwell).
There are 4 known substitutes for 4820-01-103-3260: 5340-01-103-3321, 4820-01-103-3322, 4820-01-103-3384 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 842-504060-331: Flow Control Device: DISK; Mounting Facility: BRACKET(S); Valve Size: 0.500 INCHES IN; Flange Shape: ROUND WITH HOLES ALL ENDS. 18 total characteristics are documented in the Federal Logistics Information System.