The Sleeve,compression,tube-Hose Fit, cataloged under National Stock Number 4730-01-016-9923, 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 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-016-9923 |
| Primary Part Number | A-403-1 |
| Item Name | Sleeve,compression,tube-Hose Fit |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Style Designator | TAPERED |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| A-403-1 PRIMARY | Swagelok Co (USA) |
| 4TZ-A | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| Reference | Meaning |
|---|---|
| 530474-37 | 5/2 Secondary reference U.S. Government activity |
| 4TZ-D | 5/9 Secondary reference Parker-Hannifin Corporation Div Instrumentation Products Division |
| 11462208-2 | 7/2 Vendor item drawing reference Swagelok Co |
NSN 4730-01-016-9923 is a Sleeve,compression,tube-Hose Fit, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-016-9923 has 2 manufacturer part numbers on file: A-403-1 (Swagelok Co), 4TZ-A (Parker-Hannifin Corporation Div Instrumentation Products Division).
Key specifications for A-403-1: Style Designator: TAPERED; Casehardening Indicator: NOT CASEHARDENED; End Item Identification: SUPPORTS GRUMMAN A10 AIRCRAFT; Material: ALUMINUM ALLOY. 4 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.