The Parts Kit,quick Disconnect Coupl, cataloged under National Stock Number 4730-00-189-5438, 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 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-189-5438 |
| Primary Part Number | 7541973 |
| Item Name | Parts Kit,quick Disconnect Coupl |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| Component Quantity | 15 |
| End Item Source | 26512 |
| End Item Name | AIRCRAFT |
| Nonsupply Items and Quantities | 05228 7531325 SPRING 1; 05228 7522861 BALL 6; 05228 7531310 SPRING,TORSION 1; 05228 7542616 PRESSURE LOCK ASSY 1; 05228 753140 O-RING 1; 05228 7531318 LANYARD ASSY 1; 05228 7531822 GASKET 1; 05228 7531908 LOCK SCREW 3 |
| 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 |
|---|---|
| 7541973 PRIMARY | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7541973 | 5/9 Secondary reference Arvinmeritor Inc |
NSN 4730-00-189-5438 is a Parts Kit,quick Disconnect Coupl, manufactured by Pti Technologies Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-189-5438 has 1 manufacturer part number on file: 7541973 (Pti Technologies Inc.).
Key specifications for 7541973: Component Quantity: 15; End Item Source: 26512; End Item Name: AIRCRAFT; Nonsupply Items and Quantities: 05228 7531325 SPRING 1; 05228 7522861 BALL 6; 05228 7531310 SPRING,TORSION 1; 05228 7542616 PRESSURE LOCK ASSY 1; 05228 753140 O-RING 1; 05228 7531318 LANYARD ASSY 1; 05228 7531822 GASKET 1; 05228 7531908 LOCK SCREW 3. 4 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.