The Valve,ball, cataloged under National Stock Number 4820-01-517-4831, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Nil-Cor, Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-517-4831 |
| Primary Part Number | 6-310 ST-T-S |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Nil-Cor, Llc |
| Status | ACTIVE |
| Flange Face Design | PLAIN ALL ENDS |
| Bolt Hole Nominal Diameter | 0.437 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 9.500 INCHES ALL ENDS IN |
| Material | GLASS FIBER BODY |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Face to Face Distance | 10.500 INCHES IN |
| Furnished Items and Quantity | 1 HANDLE |
| Bolt Hole Quantity | 4 ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Flange Shape | OVAL WITH HOLES ALL ENDS |
| Minimum Operating Temp | -40.0 FAHRENHEIT DEGF |
| Nominal Length | 11.000 INCHES ALL ENDS IN |
| Maximum Operating Temp | 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Thickness | 1.630 INCHES ALL ENDS IN |
| Valve Size | 6.000 INCHES IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Width | 11.000 INCHES ALL ENDS IN |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6-310 ST-T-S PRIMARY | Nil-Cor, Llc (USA) |
| 6305390 ITEM 20 | Naval Facilities Engineering Command (USA) |
| 6305390 | Naval Facilities Engineering Command (USA) |
NSN 4820-01-517-4831 is a Valve,ball, manufactured by Nil-Cor, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-517-4831 has 3 cross-referenced part numbers: 6-310 ST-T-S (Nil-Cor, Llc), 6305390 ITEM 20 (Naval Facilities Engineering Command), 6305390 (Naval Facilities Engineering Command).
There are 5 known substitutes for 4820-01-517-4831: 4930-01-516-6536, 5330-01-516-8343, 4820-01-517-2306 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6-310 ST-T-S: Flange Face Design: PLAIN ALL ENDS; Bolt Hole Nominal Diameter: 0.437 INCHES ALL ENDS IN; Bolt Circle Nominal Diameter: 9.500 INCHES ALL ENDS IN; Material: GLASS FIBER BODY. 20 total characteristics are documented in the Federal Logistics Information System.