The Disk,valve, cataloged under National Stock Number 4820-00-216-7877, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ingersoll-Rand Company- Parts. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-216-7877 |
| Primary Part Number | 8K1NA |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ingersoll-Rand Company- Parts |
| Status | ACTIVE |
| Media for Which Designed | AIR |
| 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 |
|---|---|
| H5658PC54 | Ingersoll-Rand Company- Parts (USA) |
| 8K1NA | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 8K1NA PRIMARY | Ingersoll-Rand Company- Parts (USA) |
| Reference | Meaning |
|---|---|
| 8K1NA | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| H5658PC54 | 5/9 Secondary reference U.S. Government activity |
| 2742C1-455 | 5/9 Secondary reference United Catalysts Inc |
| 8K1NA | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| H5658PC54 | 5/9 Secondary reference Ingersoll Rand Co |
| 8K1NA | 5/9 Secondary reference U.S. Government activity |
| H5983PC96 | 5/9 Secondary reference U.S. Government activity |
| 8K1NA | 5/9 Secondary reference Ingersoll Rand Co |
| 8K1NA | 5/9 Secondary reference United Catalysts Inc |
| H5983PC96 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 4820-00-216-7877 is a Disk,valve, manufactured by Ingersoll-Rand Company- Parts, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-216-7877 has 3 manufacturer part numbers on file: H5658PC54 (Ingersoll-Rand Company- Parts), 8K1NA (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 8K1NA (Ingersoll-Rand Company- Parts).
Key specifications for 8K1NA: Special Features: 0.250 IN. THREADED STUD ON TOP;1.063 IN. OD;1.188 IN. L IN; Media for Which Designed: AIR. 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.