The Cap,valve, cataloged under National Stock Number 4820-01-337-4091, 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 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-337-4091 |
| Primary Part Number | 2620-925X3 PC-8 1-2INL1 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 2620-925X3 PC-8 1-2INL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2621-925-03 ITEM 46L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| SS845-2110262 PC-8 1-2INL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2620-925X3 PC-8 1-2IN | 5/1 Secondary reference U.S. Government activity |
| 2621-925-03 ITEM 46 | 5/1 Secondary reference U.S. Government activity |
| SS845-2110262 PC-8 1-2IN | 3/1 Design control — primary reference U.S. Government activity |
NSN 4820-01-337-4091 is a Cap,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-337-4091 has 3 manufacturer part numbers on file: 2620-925X3 PC-8 1-2INL1 (Naval Inventory Control Point Mechanicsburg), 2621-925-03 ITEM 46L1 (Naval Inventory Control Point Mechanicsburg), SS845-2110262 PC-8 1-2INL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2620-925X3 PC-8 1-2INL1: Criticality Code Justification: ZZZY; Special Features: MATL TY316L SST; End Item Identification: VALVE,GLOBE .500IPS 300PSI; Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS. 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.
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.