The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-162-4128, 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 Naval Sea Systems Command. Government technical data includes 10 specifications, 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-162-4128 |
| Primary Part Number | 5189405-004 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Leg Length | 1.062 INCHES NOMINAL IN |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Material | STEEL BODY |
| Quick Disconnect Method | CAM-LOCKING ALL ENDS |
| Thread Series Designator | NPTF ALL ENDS |
| 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 |
|---|---|
| 5189405-004 | Naval Sea Systems Command (USA) |
| 0098-LL-TJ2-2563 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 292-PTSS-04-04 | 5/9 Secondary reference Imperial |
| 5189405 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 391P-SS-04-04 | 5/9 Secondary reference U.S. Government activity |
| 4730PL1321856 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 391PSS-4-4 | 3/2 Design control — primary reference U.S. Government activity |
| 298-PTSS-04-04 | 3/9 Design control — primary reference Imperial |
| 29B-PTSS 1/4PT X 1/4OD | 5/9 Secondary reference Imperial |
| 292-PTSS 1/4PT X 1/4OD | 5/9 Secondary reference Imperial |
NSN 4730-01-162-4128 is a Coupling Half,quick Disconnect, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-162-4128 has 2 manufacturer part numbers on file: 5189405-004 (Naval Sea Systems Command), 0098-LL-TJ2-2563 (Naval Sea Systems Command).
Key specifications for 5189405-004: Connection Style: PLAIN ALL ENDS; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 10 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.