The Valve,check, cataloged under National Stock Number 4820-01-367-1837, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pacific Consolidated Industries Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-367-1837 |
| Primary Part Number | 580090-008 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pacific Consolidated Industries Llc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 2.000 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 141TF | Crane Co Div Valve Div (USA) |
| 580090-008 PRIMARY | Pacific Consolidated Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| B-320T-2 | 3/2 Design control — primary reference U.S. Government activity |
| 1B946 | C/1 Advisory reference — outside the item-of-supply concept Hammond Valve Corp |
| IB946 | 5/9 Secondary reference Hammond Valve Corp |
| FIG.230-70-2 | 5/9 Secondary reference Lunkenheimer Co |
| 580090 | 7/2 Vendor item drawing reference Pacific Consolidated Industries Llc |
| 141-2IN | 5/9 Secondary reference Crane Co Div Valve Div |
NSN 4820-01-367-1837 is a Valve,check, manufactured by Pacific Consolidated Industries Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-367-1837 has 2 manufacturer part numbers on file: 141TF (Crane Co Div Valve Div), 580090-008 (Pacific Consolidated Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 7510-01-383-7967. Verify interchangeability with system specifications before substitution.
Key specifications for 580090-008: Flow Control Device: DISK; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Mounting Position: HORIZONTAL; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 15 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.