The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-014-6270, 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 Dvcc, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-014-6270 |
| Primary Part Number | 400-A AND 400-D AL |
| Item Name | Coupling Assembly,quick Disconne |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dvcc, Llc |
| Status | ACTIVE |
| Connection Style | PLAIN FIRST FLUID END CONNECTION |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | COUPLING ASSEMBLY |
| Material Document and Classification | QQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.672 INCHES NOMINAL IN |
| Features Provided | SAFETY LOCKING FEATURE |
| Nominal Thread Size | 4.000 INCHES FIRST FLUID END CONNECTION IN |
| Surface Treatment | COPPER ALLOY OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Quick Disconnect Method | CAM-LOCKING ALL ENDS |
| Thread Series Designator | NPT FIRST FLUID END CONNECTION |
| 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 |
|---|---|
| 400-A AND 400-D AL | Dvcc, Llc (USA) |
| Reference | Meaning |
|---|---|
| 633AAND633D4IN | 3/9 Design control — primary reference Dover Resources Inc Dba Opw Engineered Systems |
| 633AAND633D4IN | 5/9 Secondary reference U.S. Government activity |
| MIL-C-27487 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-014-6270 is a Coupling Assembly,quick Disconne, manufactured by Dvcc, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-014-6270 has 1 manufacturer part number on file: 400-A AND 400-D AL (Dvcc, Llc).
Key specifications for 400-A AND 400-D AL: Connection Style: PLAIN FIRST FLUID END CONNECTION; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: COUPLING ASSEMBLY; Material Document and Classification: QQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 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.