The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-348-6330, 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 Conair Group Inc Div Conair Aerospace. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-348-6330 |
| Primary Part Number | CON677-4400-53 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Conair Group Inc Div Conair Aerospace |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Nominal Thread Size | 3.000 INCHES ALL ENDS IN |
| Material | ALUMINUM BODY |
| Quick Disconnect Method | CAM-LOCKING ALL ENDS |
| Thread Series Designator | NPT 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 |
|---|---|
| CON677-4400-53 PRIMARY | Conair Group Inc Div Conair Aerospace (CAN) |
| Reference | Meaning |
|---|---|
| CON677-4400 | D/9 Drawing number reference only Conair Group Inc Div Conair Aerospace |
NSN 4730-01-348-6330 is a Coupling Half,quick Disconnect, manufactured by Conair Group Inc Div Conair Aerospace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-348-6330 has 1 manufacturer part number on file: CON677-4400-53 (Conair Group Inc Div Conair Aerospace).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-348-6721, 3740-01-364-9827. Verify interchangeability with system specifications before substitution.
Key specifications for CON677-4400-53: Connection Style: PLAIN ALL ENDS; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Nominal Thread Size: 3.000 INCHES ALL ENDS IN. 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.