The Cap,valve, cataloged under National Stock Number 4820-01-421-2694, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-421-2694 |
| Primary Part Number | 1700B ITEMS 1, 3, 4 C1 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Width | 5.250 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | QUALITY CONTROLLED IAW NAVY LEVE 1 ASSURANCE GUIDE, CLEANED IAW MIL-C-52211 |
| 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 |
|---|---|
| 1700B ITEMS 1, 3, 4 C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 1700B ITEMS 1, 3, 4 | 3/1 Design control — primary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
NSN 4820-01-421-2694 is a Cap,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-421-2694 has 1 manufacturer part number on file: 1700B ITEMS 1, 3, 4 C1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 1700B ITEMS 1, 3, 4 C1: Criticality Code Justification: ZZZY; Overall Length: 5.250 INCHES NOMINAL IN; Width: 5.250 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: QUALITY CONTROLLED IAW NAVY LEVE 1 ASSURANCE GUIDE, CLEANED IAW MIL-C-52211. 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.