The Poppet Bleed,valve, cataloged under National Stock Number 4820-01-124-2539, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-124-2539 |
| Item Name | Poppet Bleed,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| S1E10033 ITEM 4 | 5/1 Secondary reference U.S. Government activity |
| V2B1183-4MF | 3/1 Design control — primary reference U.S. Government activity |
| V2B1183-4MFL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| S1E10033 REV D ITEM 4L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| S1E10035 REV D ITEM 4L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| S1E10035 REV D ITEM4 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-01-124-2539 is a Poppet Bleed,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-124-2539: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1. 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.
NSN 4820-01-124-2539 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.