The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-526-9122, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-526-9122 |
| Primary Part Number | 3350-AS-983-2 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 CAP |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL ALL ENDS |
| Connection Type | THREADED EXTERNAL BOSS FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 0.375 INCHES ALL ENDS IN |
| Leg Length | 0.490 INCHES NOMINAL IN |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM ALLOY AND STEEL CORROSION RESISTING BODY |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 942065TF06XD090B | Transdigm Inc Div Adelwiggins Group (USA) |
| 3350-AS-983-2 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 3350-AS-983 | D/9 Drawing number reference only Raytheon Company Div Corp |
NSN 4730-01-526-9122 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 4730-01-526-9122 has 2 manufacturer part numbers on file: 942065TF06XD090B (Transdigm Inc Div Adelwiggins Group), 3350-AS-983-2 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-526-9128. Verify interchangeability with system specifications before substitution.
Key specifications for 3350-AS-983-2: Furnished Items and Quantity: 1 CAP; Connection Style: EXTERNAL SEAT FOR GASKET SEAL ALL ENDS; Connection Type: THREADED EXTERNAL BOSS FIRST FLUID END CONNECTION; Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END. 13 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.