The Guide,valve Stem, cataloged under National Stock Number 4820-01-061-4772, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Compressor Engineering Corp. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-061-4772 |
| Primary Part Number | 1W93088 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Compressor Engineering Corp |
| Status | ACTIVE |
| Major Diameter Length | 0.090 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 0.519 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN |
| Material | PLASTIC |
| Bore Countersink | NOT INCLUDED |
| 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 |
|---|---|
| 1W93088 | Compressor Engineering Corp (USA) |
| Reference | Meaning |
|---|---|
| 5212208 | D/9 Drawing number reference only Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division |
| W93088 | 5/9 Secondary reference U.S. Government activity |
| W93088 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| W93088 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
NSN 4820-01-061-4772 is a Guide,valve Stem, manufactured by Compressor Engineering Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-061-4772 has 1 manufacturer part number on file: 1W93088 (Compressor Engineering Corp).
Key specifications for 1W93088: Major Diameter Length: 0.090 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN; Overall Length: 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN; Bore Counterbore: NOT INCLUDED; Outside Diameter: 0.519 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN. 5 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.