The Valve,pneumatic Tank, cataloged under National Stock Number 4820-00-054-8523, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-054-8523 |
| Item Name | Valve,pneumatic Tank |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | CORE |
| Second End Relationship with First End | NOT IDENTICAL |
| Surface Treatment Document and Classification | QQ-N-290, CLASS 1, TYPE 7 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Second End Style Designator | GASKET SEAL |
| Surface Treatment | NICKEL OUTSIDE |
| First End Nominal Pipe Size Accommodated | 0.125 INCHES IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | COPPER ALLOY SEAT |
| Commercial Core Length Designator | SHORT |
| Commercial Spring Tension Rating | MEDIUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SK2042-100BB614 | 5/9 Secondary reference Eaton Corporation Dba Air Controls Division Div Air Controls Division |
| 26-20420BB614-14 | 5/9 Secondary reference Eaton Corporation Dba Air Controls Division Div Air Controls Division |
| 013-3139-00 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 4820-00-054-8523 is a Valve,pneumatic Tank, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-054-8523: Flow Control Device: CORE; Second End Relationship with First End: NOT IDENTICAL; Surface Treatment Document and Classification: QQ-N-290, CLASS 1, TYPE 7 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Body Style: STRAIGHT THRU. 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.