The Stem,fluid Valve, cataloged under National Stock Number 4820-01-424-2613, 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 4 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-424-2613 |
| Primary Part Number | LSD 8502 ITEM 5 5IN |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Valve Type for Which Designed | GATE |
| Material Document and Classification | ASTM A182 ASSN STD SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 5.000 INCHES IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| FIG. NO. 15F-8 ITEM 5 5IN. | William E Williams Valve Corp (USA) |
| LSD 8502 ITEM 5 5IN PRIMARY | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| LSD 8502 | D/9 Drawing number reference only William E Williams Valve Corp |
| LSD-8502-5-5IN | C/1 Advisory reference — outside the item-of-supply concept William E Williams Valve Corp |
NSN 4820-01-424-2613 is a Stem,fluid Valve, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-424-2613 has 2 manufacturer part numbers on file: FIG. NO. 15F-8 ITEM 5 5IN. (William E Williams Valve Corp), LSD 8502 ITEM 5 5IN (William E Williams Valve Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-424-2617, 4820-01-424-2676. Verify interchangeability with system specifications before substitution.
Key specifications for LSD 8502 ITEM 5 5IN: Valve Type for Which Designed: GATE; Material Document and Classification: ASTM A182 ASSN STD SINGLE MATERIAL RESPONSE; Valve Size for Which Designed: 5.000 INCHES IN; Material: STEEL CORROSION RESISTING. 4 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.