The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-446-9203, 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 Us Army Aviation and Missile Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-446-9203 |
| Primary Part Number | 11472702-1 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Connection Style | FLARED ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | 5643 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Surface Treatment | PASSIVATE BODY |
| Material | STEEL BODY |
| 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 |
|---|---|
| 11472702-1 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 25412-702-2 | Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (USA) |
| Reference | Meaning |
|---|---|
| 2542920 | 5/1 Secondary reference Sielman S.a. |
| 11472702 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 25412-12A-L25T | 5/9 Secondary reference Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit |
NSN 4730-01-446-9203 is a Coupling Half,quick Disconnect, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-446-9203 has 2 manufacturer part numbers on file: 11472702-1 (Us Army Aviation and Missile Command), 25412-702-2 (Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-446-9235. Verify interchangeability with system specifications before substitution.
Key specifications for 11472702-1: Connection Style: FLARED ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Material Document and Classification: 5643 ASSN STD SINGLE MATERIAL RESPONSE BODY. 7 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.