The Cross,tube, cataloged under National Stock Number 4730-00-489-8207, 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 Swagelok Co. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-489-8207 |
| Primary Part Number | SS-600-4 |
| Item Name | Cross,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 SHORT COUPLING NUT WITH SLEEVE AND 4 FERRULE SLEEVE |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | 66,AISI 316/SAE 30316 FED STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Leg Length | 0.844 INCHES MINIMUM AND 0.910 INCHES MAXIMUM FIRST END IN |
| Leg Length | 0.844 INCHES MINIMUM AND 0.910 INCHES MAXIMUM SECOND END IN |
| Leg Length | 0.845 INCHES NOMINAL FOURTH END IN |
| Leg Length | 0.845 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Seat Angle | 20.0 DEGREES FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | STEEL CORROSION RESISTING SLEEVE |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL COMP 316 OR STEEL CORROSION RESISTING BODY |
| Thread Series Designator | UN 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 |
|---|---|
| SS-600-4 PRIMARY | Swagelok Co (USA) |
| 6-KBZ-SS | Forberg Scientific Inc (USA) |
| MSSI6X-SS PRIMARY | Mid-State Sales, Inc. Div Defense Products Group (USA) |
| 6C316 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 6 KBZ-SS | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| Reference | Meaning |
|---|---|
| 6-KBZ-SS | 5/9 Secondary reference A. F. Brock & Co. Dba a. F. Brock & Co. / Ph, Inc |
| 600-4-316 | 5/9 Secondary reference Swagelok Co |
| I6X-SS | 5/9 Secondary reference Ssp Fittings Corp |
NSN 4730-00-489-8207 is a Cross,tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-489-8207 has 5 manufacturer part numbers on file: SS-600-4 (Swagelok Co), 6-KBZ-SS (Forberg Scientific Inc), MSSI6X-SS (Mid-State Sales, Inc. Div Defense Products Group), 6C316 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 6 KBZ-SS (Parker-Hannifin Corporation Div Instrumentation Products Division).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-558-6437, 4730-01-593-8071. Verify interchangeability with system specifications before substitution.
Key specifications for SS-600-4: Furnished Items and Quantity: 4 SHORT COUPLING NUT WITH SLEEVE AND 4 FERRULE SLEEVE; Connection Style: FLARELESS (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Material Document and Classification: 66,AISI 316/SAE 30316 FED STD SINGLE MATERIAL RESPONSE BODY. 19 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.