The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-894-5573, 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 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-894-5573 |
| Primary Part Number | B32-C6 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division |
| Status | ACTIVE |
| Connection Style | HOSE GRIPPING NIPPLE ALL ENDS |
| Nominal Inside Diameter Hose Accommodated | 0.375 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING FIRST FLUID END CONNECTION |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Leg Length | 1.125 INCHES NOMINAL IN |
| First End Outside Diameter Hose Accommodated | 0.625 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Quick Disconnect Method | PUSH-LOCK ALL ENDS |
| Furnished Items | HOSE GRIPPING NUT |
| 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 |
|---|---|
| B32-C6 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA) |
| Reference | Meaning |
|---|---|
| B32-C6 | 3/9 Design control — primary reference U.S. Government activity |
| 23102-044 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
| B7-1 | 5/9 Secondary reference Tomco Inc |
| 10-4100 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 4730-00-894-5573 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-894-5573 has 1 manufacturer part number on file: B32-C6 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division).
5 possible matches (shared part number, not a government interchangeability claim): 1680-01-071-9686, 6625-01-253-0677, 5995-01-285-7979. Verify interchangeability with system specifications before substitution.
Key specifications for B32-C6: Connection Style: HOSE GRIPPING NIPPLE ALL ENDS; Nominal Inside Diameter Hose Accommodated: 0.375 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL HOSE GRIPPING FIRST FLUID END CONNECTION; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS. 10 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.