The Lever,valve,relief, cataloged under National Stock Number 4820-01-041-5638, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Gichner Systems Group, Inc. Div C5isr Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-041-5638 |
| Primary Part Number | P60-12 |
| Item Name | Lever,valve,relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Gichner Systems Group, Inc. Div C5isr Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| P60-12 PRIMARY | Gichner Systems Group, Inc. Div C5isr Division (USA) |
| Reference | Meaning |
|---|---|
| P60-12 | 3/9 Design control — primary reference Gichner Systems Group Inc Gichner Mobilizer Div |
NSN 4820-01-041-5638 is a Lever,valve,relief, manufactured by Gichner Systems Group, Inc. Div C5isr Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-041-5638 has 1 manufacturer part number on file: P60-12 (Gichner Systems Group, Inc. Div C5isr Division).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-278-6048. Verify interchangeability with system specifications before substitution.
Key specifications for P60-12: End Item Identification: MOBILIZER MODEL 6002. 0 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.