The Valve,check, cataloged under National Stock Number 4820-01-655-8180, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Stainless Flow Technologies, Inc. Div Stainless Flow Technologies Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-655-8180 |
| Primary Part Number | 4247029 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Stainless Flow Technologies, Inc. Div Stainless Flow Technologies Inc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.250 INCHES FIRST END IN |
| Connection Style | GROOVED (PIPE) ALL ENDS |
| Nominal Length | 5.750 INCHES ALL ENDS IN |
| Connection Type | BUTT WELD PIPE SECOND END |
| Connection Type | BUTT WELD PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL COMP 304 BODY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 4247029 PRIMARY | Stainless Flow Technologies, Inc. Div Stainless Flow Technologies Inc (USA) |
| 4247029 | Jlg Industries (australia) Jlg Australia Pty Limited (AUS) |
| Reference | Meaning |
|---|---|
| 4247029 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 4247029 | 5/9 Secondary reference Jlg Industries (australia) Jlg Industries Inc |
NSN 4820-01-655-8180 is a Valve,check, manufactured by Stainless Flow Technologies, Inc. Div Stainless Flow Technologies Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-655-8180 has 2 manufacturer part numbers on file: 4247029 (Stainless Flow Technologies, Inc. Div Stainless Flow Technologies Inc), 4247029 (Jlg Industries (australia) Jlg Australia Pty Limited).
Key specifications for 4247029: Nominal Pipe Size Accommodated: 2.250 INCHES FIRST END IN; Connection Style: GROOVED (PIPE) ALL ENDS; Nominal Length: 5.750 INCHES ALL ENDS IN; Connection Type: BUTT WELD PIPE SECOND END. 9 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.