The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-225-2225, 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 Eriks B.v.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-225-2225 |
| Primary Part Number | 10037476 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eriks B.v. |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 1.250 INCHES ALL ENDS IN |
| Nominal Thread Size | 1.250 INCHES ALL ENDS IN |
| Specification/standard Data | 81349-MIL-C-27487 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 1 TYPE |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 10037476 | Eriks B.v. (NLD) |
| 633A-1-1/4SS | Dover Fluid Management, Inc. Div Dover Resources Inc. (USA) |
| 125A-SS | Dvcc, Llc (USA) |
| 633A-0730 | Dover Fluid Management, Inc. Div Dover Resources Inc. (USA) |
| Reference | Meaning |
|---|---|
| 633A | 5/9 Secondary reference U.S. Government activity |
| 633A-1-1/4SS | 3/9 Design control — primary reference U.S. Government activity |
| 633A-0730 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-225-2225 is a Coupling Half,quick Disconnect, manufactured by Eriks B.v., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-225-2225 has 4 manufacturer part numbers on file: 10037476 (Eriks B.v.), 633A-1-1/4SS (Dover Fluid Management, Inc. Div Dover Resources Inc.), 125A-SS (Dvcc, Llc), 633A-0730 (Dover Fluid Management, Inc. Div Dover Resources Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-280-8971, 4730-01-387-7360, 4730-01-505-7117. Verify interchangeability with system specifications before substitution.
Key specifications for 10037476: Connection Style: PLAIN ALL ENDS; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END; Style Designator: MALE COUPLING HALF. 11 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.