The Adapter,yoke Bushing,valve, cataloged under National Stock Number 4820-01-191-2659, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-191-2659 |
| Primary Part Number | D27977 |
| Item Name | Adapter,yoke Bushing,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| General Characteristics Item Description | CAST MODULAR IRON |
| 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 |
|---|---|
| D27977 PRIMARY | Crane Co Div Valve Div (USA) |
| D27977/163713001 PRIMARY | Crane Co Div Valve Div (USA) |
| Reference | Meaning |
|---|---|
| 803-2177518 | D/9 Drawing number reference only U.S. Government activity |
| 803-2177518-08XX-61 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-191-2659 is a Adapter,yoke Bushing,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-191-2659 has 2 manufacturer part numbers on file: D27977 (Crane Co Div Valve Div), D27977/163713001 (Crane Co Div Valve Div).
Key specifications for D27977: General Characteristics Item Description: CAST MODULAR IRON. 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.