The Parts Kit,gate Valve, cataloged under National Stock Number 4820-01-157-3885, 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2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-157-3885 |
| Item Name | Parts Kit,gate Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| End Item Source | 58328 |
| End Item Name | NITROGEN SERVICING UNIT |
| 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 |
|---|---|
| A040901050 | 3/9 Design control — primary reference Zwick Energy Researach Organization Inc |
| A040901050 | 5/9 Secondary reference Prime Source |
| 8222408 | 5/9 Secondary reference U.S. Government activity |
| A040901050 | 5/9 Secondary reference Dk Manufacturing Llc |
NSN 4820-01-157-3885 is a Parts Kit,gate Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5999-01-412-1392. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-157-3885: End Item Source: 58328; End Item Name: NITROGEN SERVICING UNIT; Special Features: CONSISTS OF 1 EACH - EXT. BONNET,GLAND FOLLOWER,PACKING UNIT,PACKING,WEDGE,BONNET GASKET; End Item Identification: 3655-01-089-9563. 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.
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.