The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-397-7954, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Champ Industries Div Champ Industries, Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-397-7954 |
| Primary Part Number | ES1321 |
| Item Name | Valve Assembly,manifold |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Champ Industries Div Champ Industries, Inc |
| Status | ACTIVE |
| Maximum Operating Temp and Media for Which Designed | 125.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF |
| Operating Pressure and Type | 5000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LBS |
| Valve Operation Method | HYDRAULIC |
| 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 |
|---|---|
| ES1321 PRIMARY | Champ Industries Div Champ Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| ES1321 | 5/9 Secondary reference Mechanical Equipment Sale Inc |
| 2022AS236-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4820-01-397-7954 is a Valve Assembly,manifold, manufactured by Champ Industries Div Champ Industries, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-397-7954 has 1 manufacturer part number on file: ES1321 (Champ Industries Div Champ Industries, Inc).
Key specifications for ES1321: Maximum Operating Temp and Media for Which Designed: 125.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF; Operating Pressure and Type: 5000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LBS; Special Features: 4-WAY VALVE-HYDRAULIC RACK ASSEMBLY; End Item Identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT AND PARTS. 3 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.