The Housing-Coupling,valve, cataloged under National Stock Number 4820-00-147-6503, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-147-6503 |
| Primary Part Number | 14-52934-5 |
| Item Name | Housing-Coupling,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | 1.960 IN. O/A DIA 1.750 IN. LG IN |
| 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 |
|---|---|
| 14-52934-5 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 14-52934-5 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 14-52934-5 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 21-1500-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-147-6503 is a Housing-Coupling,valve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-147-6503 has 1 manufacturer part number on file: 14-52934-5 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-170-6714, 4820-01-506-2350. Verify interchangeability with system specifications before substitution.
Key specifications for 14-52934-5: General Characteristics Item Description: 1.960 IN. O/A DIA 1.750 IN. LG IN. 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.
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.