The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-375-0331, 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 Pti Technologies Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-375-0331 |
| Primary Part Number | 7543807 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| Leg Length | 1.580 INCHES NOMINAL 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 |
|---|---|
| 7543807 PRIMARY | Pti Technologies Inc. (USA) |
| DAA3252P007-211 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
NSN 4730-01-375-0331 is a Coupling Half,quick Disconnect, manufactured by Pti Technologies Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-375-0331 has 2 manufacturer part numbers on file: 7543807 (Pti Technologies Inc.), DAA3252P007-211 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for 7543807: Leg Length: 1.580 INCHES NOMINAL IN; End Item Identification: W/S,AIRCRAFT,B-2 BOMBER. 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.