The Cap,valve, cataloged under National Stock Number 4820-01-182-7170, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eastern Industrial Products, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-182-7170 |
| Primary Part Number | 63-E-33 PIECE 45 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eastern Industrial Products, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 63-E-33 PIECE 45 PRIMARY | Eastern Industrial Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 63-E-33 | D/9 Drawing number reference only Eastern Industrial Products, Inc. |
NSN 4820-01-182-7170 is a Cap,valve, manufactured by Eastern Industrial Products, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-182-7170 has 1 manufacturer part number on file: 63-E-33 PIECE 45 (Eastern Industrial Products, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-189-0946. Verify interchangeability with system specifications before substitution.
Key specifications for 63-E-33 PIECE 45: End Item Identification: SMITH-KOCH INC.,CHEMICAL PROPORTIONING PUMP,MODEL SN-10-58; Material: STEEL CORROSION RESISTING. 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.