The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-375-4534, 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 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-375-4534 |
| Primary Part Number | 20067D02S0055 CDS-16339CP |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Temp Rating | 180.0 FAHRENHEIT DEGF |
| Second End Relationship with First End | IDENTICAL |
| Body Style | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS |
| First Connection Face to Centerline Distance | 3.562 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| End Connection Quantity | 2 |
| Second Connection Face to Centerline Distance | 3.562 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY SEAT |
| Media for Which Designed | OXYGEN |
| Valve Discharge Flow Rate | 65.0 CUBIC FEET PER MINUTE |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Adjustable Pressure Range | 45.0 TO 55.0 CAMERA MOUNT |
| 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 |
|---|---|
| 20067D02S0055 CDS-16339CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 20067D02S0055CP | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
| 20067D02S0055 CDS-16339 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 20067D02S0055 CDS-16339 | 3/1 Design control — primary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
NSN 4820-01-375-4534 is a Valve,relief,pressure and Temper, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-375-4534 has 1 manufacturer part number on file: 20067D02S0055 CDS-16339CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 20067D02S0055 CDS-16339CP: Temp Rating: 180.0 FAHRENHEIT DEGF; Second End Relationship with First End: IDENTICAL; Body Style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS; First Connection Face to Centerline Distance: 3.562 INCHES NOMINAL IN. 14 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.