The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-052-9544, 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 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-052-9544 |
| Primary Part Number | 4CMT4-316 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 FERRULE SLEEVE AND 1 SHORT COUPLING NUT |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 0.188 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Seat Angle | 20.0 DEGREES FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A FIRST END A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | UNF FIRST 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 |
|---|---|
| 4CMT4-316 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| SS4-1MC-4BT PRIMARY | Tylok International, Inc. (USA) |
| 4-4 FH4BZ-SS PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| SS-400-1-4BT PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| 4CM4BT316 | 5/9 Secondary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| 4CM4BT316 | 5/9 Secondary reference J R Douglass Company |
| 4CMT4-316 | 5/9 Secondary reference J R Douglass Company |
| 400-1-4BT316 | 5/9 Secondary reference Swagelok Co |
NSN 4730-00-052-9544 is a Adapter,straight,pipe to Tube, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-052-9544 has 4 manufacturer part numbers on file: 4CMT4-316 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), SS4-1MC-4BT (Tylok International, Inc.), 4-4 FH4BZ-SS (Parker-Hannifin Corporation Div Instrumentation Products Division), SS-400-1-4BT (Swagelok Co).
Key specifications for 4CMT4-316: Furnished Items and Quantity: 2 FERRULE SLEEVE AND 1 SHORT COUPLING NUT; Connection Style: FLARELESS (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 0.188 INCHES IN. 13 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.