The Valve,check, cataloged under National Stock Number 4820-00-693-2726, 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 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-693-2726 |
| Primary Part Number | XXH5A |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| XXH5A PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| N477PC236 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| N477PC236 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| XXH5A | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| XXH5A | 5/9 Secondary reference U.S. Government activity |
| N477PC236 | 5/9 Secondary reference U.S. Government activity |
| N477PC236 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| N477PC236 | 5/9 Secondary reference U.S. Government activity |
| N477PC236 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| XXH5A | 5/9 Secondary reference U.S. Government activity |
| N477PC236 | 5/9 Secondary reference Ingersoll Rand Co |
| XXH5A | 5/9 Secondary reference Ingersoll Rand Co |
NSN 4820-00-693-2726 is a Valve,check, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-693-2726 has 4 manufacturer part numbers on file: XXH5A (Ingersoll-Rand Company Dba Rotary Compressor Division), N477PC236 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), N477PC236 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), XXH5A (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for XXH5A: Special Features: 1.500 IN. LG;0.875 IN. ACROSS FLATS;0.531 IN. ID;1 0.250 IN.;4 0.094 IN. HOLES IN; Material: STEEL OVERALL. 1 specification is 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.