The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-725-3595, 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 20 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-725-3595 |
| Primary Part Number | SS600-7-8 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SHORT COUPLING NUT WITH SLEEVE AND 1 FERRULE SLEEVE |
| Nominal Pipe Size Accommodated | 0.500 INCHES SECOND END IN |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.440 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Operating Pressure | 3750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 20.0 DEGREES FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | OIL SECOND RESPONSE |
| Media for Which Designed | HYDRAULIC FLUID FIRST RESPONSE |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | STEEL COMP 316 OR STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNS FIRST END |
| Thread Series Designator | NPT SECOND END |
| 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 |
|---|---|
| SS600-7-8 | South London Valve & Fitting Company Ltd T/a Swagelok London (GBR) |
| 6-1FC-8 | Tylok International, Inc. (USA) |
| 6-8GBZ-SS | Forberg Scientific Inc (USA) |
| 6-8GBZSS | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| SS600-7-8 PRIMARY | Swagelok Co (USA) |
| SS600-7-8-316 PRIMARY | Swagelok Co (USA) |
| 6CF8-316 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| 6-8GBZ-SS | 5/9 Secondary reference A. F. Brock & Co. Dba a. F. Brock & Co. / Ph, Inc |
| 600-7-8-316 | 5/9 Secondary reference Swagelok Co |
NSN 4730-00-725-3595 is a Adapter,straight,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-725-3595 has 7 manufacturer part numbers on file: SS600-7-8 (South London Valve & Fitting Company Ltd T/a Swagelok London), 6-1FC-8 (Tylok International, Inc.), 6-8GBZ-SS (Forberg Scientific Inc), 6-8GBZSS (Parker-Hannifin Corporation Div Instrumentation Products Division), SS600-7-8 (Swagelok Co) and 2 more.
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-557-1862, 4730-01-558-6027, 4730-01-593-8074. Verify interchangeability with system specifications before substitution.
Key specifications for SS600-7-8: Furnished Items and Quantity: 1 SHORT COUPLING NUT WITH SLEEVE AND 1 FERRULE SLEEVE; Nominal Pipe Size Accommodated: 0.500 INCHES SECOND END IN; Connection Style: FLARELESS (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 20 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.