The Body,valve, cataloged under National Stock Number 4820-01-668-2298, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-668-2298 |
| Primary Part Number | 854-8543136 ASSY A PIECE 1L1 |
| Item Name | Body,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Valve Design Control Activity | 81349 |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 854-8543136 ASSY A PIECE 1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-C-20159 ALY-C96400L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MIL-C-20159 ALY-C96400 | 4/1 Identification reference U.S. Government activity |
| 854-8543136 ASSY A PIECE 1 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4820-01-668-2298 is a Body,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-668-2298 has 2 manufacturer part numbers on file: 854-8543136 ASSY A PIECE 1L1 (Naval Inventory Control Point Mechanicsburg), MIL-C-20159 ALY-C96400L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 854-8543136 ASSY A PIECE 1L1: Criticality Code Justification: ZZZY; Valve Design Control Activity: 81349; End Item Identification: VALVE, BALL, 2 INCH COMBINATION HULL & BACK UP MOD IN; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 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.
NSN 4820-01-668-2298 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.