The Cap,quick Disconnect, cataloged under National Stock Number 4730-01-346-6306, 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 Dover Resources Inc Dba Opw Engineered Systems. Government technical data includes 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-346-6306 |
| Primary Part Number | 634B4-SS |
| Item Name | Cap,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dover Resources Inc Dba Opw Engineered Systems |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 GASKET AND 1 CHAIN |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Quick Disconnect Nominal Size | 4.000 INCHES IN |
| Features Provided | SELF-SEALING |
| Material | STEEL BODY |
| Quick Disconnect Method | CAM-LOCKING |
| 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 |
|---|---|
| 634B4-SS PRIMARY | Dover Resources Inc Dba Opw Engineered Systems (USA) |
| Reference | Meaning |
|---|---|
| 634B-4SST | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| 634B-4SST | 5/9 Secondary reference U.S. Government activity |
| 634B-4SST | 7/2 Vendor item drawing reference Dover Fluid Management, Inc. Div Dover Resources Inc. |
| 40DCSS | 5/9 Secondary reference U.S. Government activity |
| 634B4-SS | 5/9 Secondary reference U.S. Government activity |
| 12380252 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-01-346-6306 is a Cap,quick Disconnect, manufactured by Dover Resources Inc Dba Opw Engineered Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-346-6306 has 1 manufacturer part number on file: 634B4-SS (Dover Resources Inc Dba Opw Engineered Systems).
Key specifications for 634B4-SS: Furnished Items and Quantity: 1 GASKET AND 1 CHAIN; Material Document and Classification: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE BODY; Quick Disconnect Nominal Size: 4.000 INCHES IN; Features Provided: SELF-SEALING. 6 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.