The Seat,valve, cataloged under National Stock Number 4820-01-362-2970, 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 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-362-2970 |
| Primary Part Number | 26M65-0003 ITEM 7Q3 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION |
| 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 |
|---|---|
| 26M65-0003 ITEM 7Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 517-5486333 ITEM 7Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 5486331-0009Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 517-5486331 ITEM 9Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 517-5486331ITEM9 | 5/1 Secondary reference Naval Sea Systems Command |
| 517-5486333 ITEM 7 | 5/1 Secondary reference Naval Sea Systems Command |
| 5486331-0009 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4820-01-362-2970 is a Seat,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-362-2970 has 4 manufacturer part numbers on file: 26M65-0003 ITEM 7Q3 (Naval Inventory Control Point Mechanicsburg), 517-5486333 ITEM 7Q3 (Naval Inventory Control Point Mechanicsburg), 5486331-0009Q3 (Naval Inventory Control Point Mechanicsburg), 517-5486331 ITEM 9Q3 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 26M65-0003 ITEM 7Q3: Criticality Code Justification: ZZZY; End Item Identification: 3 INCH IPS BALL VALVE IN; Reference Number Differentiating Characteristics: ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION. 2 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 4820-01-362-2970 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.