The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-195-3875, 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 Cleveland Gear Company, Inc. Dba Cleveland Gear Co. Government technical data includes 14 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-195-3875 |
| Primary Part Number | B35210001 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cleveland Gear Company, Inc. Dba Cleveland Gear Co |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Quick Disconnect Nominal Size | 4.250 INCHES ALL ENDS IN |
| Leg Length | 1.000 INCHES NOMINAL IN |
| Features Provided | SAFETY LOCKING FEATURE |
| Nominal Thread Size | 2.500 INCHES ALL ENDS IN |
| Specification/standard Data | 81349-MIL-C-19179 GOVERNMENT SPECIFICATION AND 96906-MS26550 GOVERNMENT STANDARD |
| Nondefinitive Spec/std Data | 2 CLASS |
| Material | COPPER ALLOY BODY |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Thread Series Designator | ANPT 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 |
|---|---|
| B35210001 PRIMARY | Cleveland Gear Company, Inc. Dba Cleveland Gear Co (USA) |
| Reference | Meaning |
|---|---|
| 7401M | 5/9 Secondary reference U.S. Government activity |
| N4000 | 5/9 Secondary reference U.S. Government activity |
| MIL-C-19179 | 5/9 Secondary reference U.S. Government activity |
| B35210001REVE | 5/9 Secondary reference U.S. Government activity |
| B35210001 | 5/9 Secondary reference U.S. Government activity |
| MS26550-3 | 5/9 Secondary reference U.S. Government activity |
| B3521001 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-195-3875 is a Coupling Half,quick Disconnect, manufactured by Cleveland Gear Company, Inc. Dba Cleveland Gear Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-195-3875 has 1 manufacturer part number on file: B35210001 (Cleveland Gear Company, Inc. Dba Cleveland Gear Co).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-395-9301. Verify interchangeability with system specifications before substitution.
Key specifications for B35210001: Connection Style: PLAIN ALL ENDS; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Style Designator: MALE COUPLING HALF. 14 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.