The Valve,check, cataloged under National Stock Number 4820-01-497-3181, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sure Flow Equipment Inc Div Sure Flow Equipmenrt Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-497-3181 |
| Primary Part Number | 4749-1 ASSY FE-150-BS-VIR-0800 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Sure Flow Equipment Inc Div Sure Flow Equipmenrt Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY 954 BODY |
| Valve Operation Method | AUTOMATIC |
| Material Document and Classification | B148 UNS C95400 MIL SPEC 1ST MATERIAL RESPONSE BODY |
| Flow Control Device | DISK |
| Material | RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM SEAT |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Bolt Hole Quantity | 8 ALL ENDS |
| Face to Face Distance | 5.000 INCHES IN |
| Nominal Outside Diameter | 11.000 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Flange Face Design | PLAIN ALL ENDS |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Material Document and Classification | ASTM A 351 GRADE CF8M MIL SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Valve Size | 8.000 INCHES IN |
| Connection Type | FLANGE ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4749-1 ASSY FE-150-BS-VIR-0800 | Sure Flow Equipment Inc Div Sure Flow Equipmenrt Inc (USA) |
| FE-150-BS-VIR-0800 | Sure Flow Equipment Inc Div Sure Flow Equipmenrt Inc (USA) |
| 4749-1 | Sure Flow Equipment Inc Div Sure Flow Equipmenrt Inc (USA) |
NSN 4820-01-497-3181 is a Valve,check, manufactured by Sure Flow Equipment Inc Div Sure Flow Equipmenrt Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-497-3181 has 3 cross-referenced part numbers: 4749-1 ASSY FE-150-BS-VIR-0800 (Sure Flow Equipment Inc Div Sure Flow Equipmenrt Inc), FE-150-BS-VIR-0800 (Sure Flow Equipment Inc Div Sure Flow Equipmenrt Inc), 4749-1 (Sure Flow Equipment Inc Div Sure Flow Equipmenrt Inc).
There are 3 known substitutes for 4820-01-497-3181: 5330-00-361-1978, 5905-00-969-6828, 4820-01-497-3172. Verify interchangeability with system specifications before substitution.
Key specifications for 4749-1 ASSY FE-150-BS-VIR-0800: Material: COPPER ALLOY 954 BODY; Valve Operation Method: AUTOMATIC; Material Document and Classification: B148 UNS C95400 MIL SPEC 1ST MATERIAL RESPONSE BODY; Flow Control Device: DISK. 21 total characteristics are documented in the Federal Logistics Information System.