The Stem,fluid Valve, cataloged under National Stock Number 4820-01-282-8557, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is William E Williams Valve Corp. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-282-8557 |
| Primary Part Number | 8608 2.50IN ITEM 6 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Valve Type for Which Designed | GLOBE |
| Largest Outside Diameter | 0.750 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Valve Model Number for Which Designed | S152F6-316 |
| Material Document and Classification | ASTM A182 GRADE F316 ASSN STD SINGLE MATERIAL RESPONSE |
| Features Provided | RISING STEM AND THREADED |
| Valve Size for Which Designed | 2.500 INCHES IN |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| 8608 2.50IN ITEM 6 PRIMARY | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| 8608 | D/9 Drawing number reference only William E Williams Valve Corp |
NSN 4820-01-282-8557 is a Stem,fluid Valve, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-282-8557 has 1 manufacturer part number on file: 8608 2.50IN ITEM 6 (William E Williams Valve Corp).
Key specifications for 8608 2.50IN ITEM 6: Valve Type for Which Designed: GLOBE; Largest Outside Diameter: 0.750 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Valve Model Number for Which Designed: S152F6-316. 8 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.