The Sleeve,clinch,tube Fitting, cataloged under National Stock Number 4730-01-131-4954, 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 7 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-131-4954 |
| Primary Part Number | 94597-300 |
| Item Name | Sleeve,clinch,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Seat Angle in Deg | 40.0 |
| Style Designator | FLARELESS |
| Sleeve Outside Diameter | 0.312 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | NICKEL ALLOY |
| Flange Outside Diameter | 0.367 INCHES NOMINAL IN |
| Hose/tube Outside Diameter for Which Designed | 0.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 94597-300 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 4TU-M PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| 10207-1 ITEM 11 | 5/9 Secondary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| M3170-2109 PC NO. 16 | C/1 Advisory reference — outside the item-of-supply concept Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc |
| 4TU-M | 5/9 Secondary reference U.S. Government activity |
| 81-004-03 | C/1 Advisory reference — outside the item-of-supply concept Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
NSN 4730-01-131-4954 is a Sleeve,clinch,tube Fitting, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-131-4954 has 2 manufacturer part numbers on file: 94597-300 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 4TU-M (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-482-0396. Verify interchangeability with system specifications before substitution.
Key specifications for 94597-300: Seat Angle in Deg: 40.0; Style Designator: FLARELESS; Overall Length: 0.363 INCHES NOMINAL IN; Sleeve Outside Diameter: 0.312 INCHES NOMINAL IN. 7 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.