The Valve,gate, cataloged under National Stock Number 4820-01-181-1879, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-181-1879 |
| Primary Part Number | 3E SIZE 4 INCHES |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | RAISED |
| Maximum Operating Temp and Media for Which Designed | 150.0 FAHRENHEIT STEAM AND 250.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 500.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 500.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | NONRISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | ASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTMSTA000 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTMFEA000 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | PACKING RETAINING |
| Specification/standard Data | 59646-S+70 MANUFACTURERS SPECIFICATION CONTROL |
| Nondefinitive Spec/std Data | 250 CLASS AND A TRIM AND 1 TYPE |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 10.000 INCHES IN |
| Face to Face Distance | 12.000 INCHES IN |
| Material | STEEL BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY SEAT |
| Material | IRON DISK |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 3E SIZE 4 INCHES PRIMARY | Crane Co Div Valve Div (USA) |
| Reference | Meaning |
|---|---|
| SP70 | 5/1 Secondary reference Manufacturers Standardization Society of the Valve and Fittings Industry Inc |
NSN 4820-01-181-1879 is a Valve,gate, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-181-1879 has 1 manufacturer part number on file: 3E SIZE 4 INCHES (Crane Co Div Valve Div).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-181-1880. Verify interchangeability with system specifications before substitution.
Key specifications for 3E SIZE 4 INCHES: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT STEAM AND 250.0 FAHRENHEIT WATER-OIL-GAS DEGF; Operating Pressure and Type: 500.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 500.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 22 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.