The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-331-7850, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Meggitt North Hollywood Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Meggitt North Hollywood Inc (CAGE 79318) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-331-7850 |
| Primary Part Number | Z-5312-1 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Meggitt North Hollywood Inc |
| 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 |
|---|---|
| Z-5312-1 PRIMARY | Meggitt North Hollywood Inc (USA) |
| Reference | Meaning |
|---|---|
| Z-5312-1 | 5/9 Secondary reference New Sd Inc Seaton-Wilson Div Sub of Bei Electronics Inc |
| 276-0001-035 | 3/2 Design control — primary reference U.S. Government activity |
| Z-5312 | D/9 Drawing number reference only New Sd Inc Seaton-Wilson Div Sub of Bei Electronics Inc |
NSN 4730-01-331-7850 is a Coupling Half,quick Disconnect, manufactured by Meggitt North Hollywood Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-331-7850 has 1 manufacturer part number on file: Z-5312-1 (Meggitt North Hollywood Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-331-7851, 4730-01-331-7852. Verify interchangeability with system specifications before substitution.
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.