The Valve Assembly, cataloged under National Stock Number 4820-01-389-4712, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-389-4712 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY DWG,CAGE CODE 81205,P/N D113222P907-103 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 71549-1 | 3/3 Design control — primary reference U.S. Government activity |
| DAA3222P709-103 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 4820-01-389-4712 is a Valve Assembly, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2990-01-545-8868. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-389-4712: Special Features: USED ON HYDRAULIC COMPONENT,MAIN LANDING GEAR; End Item Identification: B-2 AIRCRAFT; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY DWG,CAGE CODE 81205,P/N D113222P907-103. 1 specification is 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 4820-01-389-4712 has DEMIL Code D. 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.