The Valve,safety Relief, cataloged under National Stock Number 4820-00-505-8750, 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 21 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-505-8750 |
| Primary Part Number | XXHIGA2300 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Style Designator | ANGLE |
| Operating Pressure | 2300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Features Provided | PRESSURE TIGHT OUTLET SIDE |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Disk Loading Method | SPRING |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | STEEL STEM |
| Material | COPPER ALLOY SEAT |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST END |
| Opening Pressure Setting | 2300.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| XXHIGA2300 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| XXH1GA PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| XXH1GA2300 | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| Reference | Meaning |
|---|---|
| XXH1GA2300 | 5/9 Secondary reference U.S. Government activity |
| XXHIGA2300 | 5/9 Secondary reference U.S. Government activity |
| XXH1GA | 5/9 Secondary reference U.S. Government activity |
| 100190 | 5/9 Secondary reference Ingersoll Rand Co |
| XXHIGA2300 | 5/9 Secondary reference Ingersoll Rand Co |
| XXH1GA2300 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 4820-00-505-8750 is a Valve,safety Relief, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-505-8750 has 3 manufacturer part numbers on file: XXHIGA2300 (Ingersoll-Rand Company Dba Rotary Compressor Division), XXH1GA (Ingersoll-Rand Company Dba Rotary Compressor Division), XXH1GA2300 (Ingersoll-Rand Company Dba Rotary Compressor Division).
4 possible matches (shared part number, not a government interchangeability claim): 3040-00-920-4304, 6105-01-115-0353, 5998-01-144-6649. Verify interchangeability with system specifications before substitution.
Key specifications for XXHIGA2300: Flow Control Device: POPPET; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED INTERNAL PIPE SECOND END. 21 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.