The Valve,check, cataloged under National Stock Number 4820-01-617-2284, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is International Valve Corp Dba Check-All Valve Mfg. Co.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-617-2284 |
| Primary Part Number | F1JSSTF.500SSPA |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | International Valve Corp Dba Check-All Valve Mfg. Co. |
| Status | ACTIVE |
| Flange Shape | ROUND ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 1.50 INCHES IN |
| Nominal Outside Diameter | 2.875 INCHES ALL ENDS IN |
| Face to Face Distance | 2.05 INCHES IN |
| Material | STEEL COMP 316 OVERALL |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 0.250 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PL8269193-1 FIND NO.7 | Naval Sea Systems Command (USA) |
| 8269222 P/N F1JSSTF.500SSPA | Naval Sea Systems Command (USA) |
| F1JSSTF.500SSPA PRIMARY | International Valve Corp Dba Check-All Valve Mfg. Co. (USA) |
| 8269222-1 | Naval Sea Systems Command (USA) |
| PL8269192-1 FIND NO.10 | Naval Sea Systems Command (USA) |
NSN 4820-01-617-2284 is a Valve,check, manufactured by International Valve Corp Dba Check-All Valve Mfg. Co., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-617-2284 has 5 manufacturer part numbers on file: PL8269193-1 FIND NO.7 (Naval Sea Systems Command), 8269222 P/N F1JSSTF.500SSPA (Naval Sea Systems Command), F1JSSTF.500SSPA (International Valve Corp Dba Check-All Valve Mfg. Co.), 8269222-1 (Naval Sea Systems Command), PL8269192-1 FIND NO.10 (Naval Sea Systems Command).
Key specifications for F1JSSTF.500SSPA: Flange Shape: ROUND ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Connection Type: FLANGE ALL ENDS; Style Designator: STRAIGHT THRU FLANGED ENDS. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.