The Valve,check, cataloged under National Stock Number 4820-01-305-9788, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ingersoll-Rand Company Dba Rotary Compressor Division. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-305-9788 |
| Primary Part Number | 32162927 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Mounting Position | HORIZONTAL |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | STEEL BODY |
| 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 |
|---|---|
| 32162927 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| Reference | Meaning |
|---|---|
| 32001729 | C/1 Advisory reference — outside the item-of-supply concept Ingersoll-Rand Company- Parts |
| 32001729 | 5/9 Secondary reference Ingersoll-Rand Company Dba Rotary Compressor Division |
NSN 4820-01-305-9788 is a Valve,check, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-305-9788 has 1 manufacturer part number on file: 32162927 (Ingersoll-Rand Company Dba Rotary Compressor Division).
Key specifications for 32162927: Flow Control Device: DISK; Connection Style: PLAIN (PIPE) ALL ENDS; Mounting Position: HORIZONTAL; Connection Type: THREADED EXTERNAL PIPE ALL ENDS. 11 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.